18. You should understand the traffic rule by now. You’ve had it _________ often enough.
A. explaining B. to explain
C. explain D. explained
解析：答案是D。过去分词作宾语补足语的特点是：与其前的宾语为被动关系，这类考题尤其要注意“动词+反身代词+过去分词”“have+宾语+过去分词”等典型结构。由于宾语it 与动词explain为被动关系，故用过去分词作宾语补足语。此题考的是“have+宾语+过去分词”结构。
19. They got the work ______ before the rainy season set in.
A. to do B. done C. doing D. did
解析：答案是B 他们在雨季来临之前把活干完了. get sth done 把某事做了
20. I find these problems are easy _____
A. to be worked out B. to work them out
C. to work out D. to be worked them out
解析：答案是C。这里考查sth.+be+adj.+to do句型。在这一句型中,不定式通常用主动形式表被动。
21. _________ the milk and set a good example to the other children.
A. Drink B. To drink C. Drinking D. Having drinking
解析：答案是A 考查动词形式。本题考查祈使句 + and + 陈述句，故用动词原形，选A。句意：喝牛奶，为其他孩子树立好榜样。
22. — What do you think of last night’s lecture?
— _____ speaking, I thought it was rather boring
A. Real B. General C. Fair D. Honestly
解析：答案是D。honestly speaking相当于to tell (you) the truth。类似的短语有:strictly speaking严格说来;generally speaking一般说来;roughly speaking大体说来等。
23. Don’t give me a long account, just _________ the plain facts.
A. tell B. telling C. to tell D. to be telling
解析：答案是A 这是祈使句，just do sth ，用动词原形
24. Things are known ______ when they unite with the oxygen of the air.
A. burning B. to burn C. burn D. being burning
解析：答案是B something is known to do something.是英语中常见的巨型，表示“大家都知道。。。”。这个句型可以改成：It is known that something ...所以，这句话可以改成：It is known that things can burn when they unite with the oxygen of the air.这句话的意思是：众所周知，当东西与空气中的氧混合在一起时，就可以燃烧。
25.After completing and signing it, please return the form to us in the envelope ______.
A. providing B. provided C. having provided D. provide
解析：答案是B。需要注意用过去分词表被动。由于 the envelop 与动词 provide 之间为被动关系，故只能选 B，其余三项均不表示被动关系。又如：Members shall enter the names of their guests in the book provided. 会员必须把所邀客人的名字登记在提供的本子上。
26. He was thoroughly ashamed ______ so much money on such an ugly picture.
A. for spending B. with spending
C. to have spent D. of having spent
解析：答案是D 句意为：他为花这么多钱在这么一张难看的画上而感到十分羞愧。
27. — Have you made up your mind _____ the chance to go to France?
— No. I’m practicing _____ the French language
A. to give up; to learn B. to give up; learning
C. giving up; to learn D. giving up; learning
解析：答案是B。make up one’s mind意为“决定”,后可接不定式或that从句作宾语。
28. In the dream Peter saw himself _________ by a fierce wolf, and he woke suddenly with a start.
A. chased B. to be chased
C. be chased D. having been chased
解析：答案是A。过去分词作宾语补足语的特点是：与其前的宾语为被动关系，这类考题尤其要注意“动词+反身代词+过去分词”“have+宾语+过去分词”等典型结构。根据句意可知，himself与chase为被动关系，故chase要用过去分词。
29. Never _____ off your coat; it’s rather cold outside
A. take B. taking C. to take D. taken
解析：答案是A。选动词原形构成祈使句。
30. ______ of the burden of ice, the balloon climbed up and drifted to the South.
A. To be free B. Freeing C. To free D. Freed
解析：答案是D 句意是：去掉了冰的负重以后，气球爬升起来，向南飘去了。看得出来主语是balloon，谓语是climb和drift，那么句首的free必然是伴随状语。伴随状语使用什么形式，由伴随状语里的动词和主语的关系决定。动宾关系使用过去分词（表示被动），主语是动作发出者时使用现在分词。 free someone(something) of (from)something表示使某人（物）不再受制于某物，someone是free的宾语，句子里的balloon充当了someone的成分，是free的宾语，所以应该使用过去分词。选D。
31. If the car won’t start, _________ it.
A. try push B. try pushing C. to try pushing D. to try to push
解析：答案是B 注意句首为if 引导的条件状语从句，填空句为祈使句，故第一个动词应是try，不应是 to try；另外，try doing sth 的意思是“做某事试试看有何效果”。
32. She cycled too fast round the corner, _________ her balance and _________ off.
A. losing, falling B. lost, fell C. losing, fell D. lost, falling
解析：答案是B 她骑车在拐弯处太快，失去平衡摔倒了
33. _________ the soup and add salt and pepper if necessary.
A. Taste B. Tasting C. To taste D. Having tasted
解析：答案是A 句意是：尝尝汤的味道，必要时加盐和胡椒粉。
34. —“Where should I send my application?”
—“The Personnel Office is the place ______.”
A. to sent it B. sent it to C. to send it to D. for sending it
解析：答案是C 因为这是send的固定搭配 送东西给某人 send sth to sb 原句你换一下位置就知道了 send your application to the personnel office
35. You have no business _____ to me the way you did yesterday
A. about talking B. talking C. talked D. on talking
解析：答案是B。 have no business to do/doing sth. 意为“无权做某事”。
A. explaining B. to explain
C. explain D. explained
解析：答案是D。过去分词作宾语补足语的特点是：与其前的宾语为被动关系，这类考题尤其要注意“动词+反身代词+过去分词”“have+宾语+过去分词”等典型结构。由于宾语it 与动词explain为被动关系，故用过去分词作宾语补足语。此题考的是“have+宾语+过去分词”结构。
19. They got the work ______ before the rainy season set in.
A. to do B. done C. doing D. did
解析：答案是B 他们在雨季来临之前把活干完了. get sth done 把某事做了
20. I find these problems are easy _____
A. to be worked out B. to work them out
C. to work out D. to be worked them out
解析：答案是C。这里考查sth.+be+adj.+to do句型。在这一句型中,不定式通常用主动形式表被动。
21. _________ the milk and set a good example to the other children.
A. Drink B. To drink C. Drinking D. Having drinking
解析：答案是A 考查动词形式。本题考查祈使句 + and + 陈述句，故用动词原形，选A。句意：喝牛奶，为其他孩子树立好榜样。
22. — What do you think of last night’s lecture?
— _____ speaking, I thought it was rather boring
A. Real B. General C. Fair D. Honestly
解析：答案是D。honestly speaking相当于to tell (you) the truth。类似的短语有:strictly speaking严格说来;generally speaking一般说来;roughly speaking大体说来等。
23. Don’t give me a long account, just _________ the plain facts.
A. tell B. telling C. to tell D. to be telling
解析：答案是A 这是祈使句，just do sth ，用动词原形
24. Things are known ______ when they unite with the oxygen of the air.
A. burning B. to burn C. burn D. being burning
解析：答案是B something is known to do something.是英语中常见的巨型，表示“大家都知道。。。”。这个句型可以改成：It is known that something ...所以，这句话可以改成：It is known that things can burn when they unite with the oxygen of the air.这句话的意思是：众所周知，当东西与空气中的氧混合在一起时，就可以燃烧。
25.After completing and signing it, please return the form to us in the envelope ______.
A. providing B. provided C. having provided D. provide
解析：答案是B。需要注意用过去分词表被动。由于 the envelop 与动词 provide 之间为被动关系，故只能选 B，其余三项均不表示被动关系。又如：Members shall enter the names of their guests in the book provided. 会员必须把所邀客人的名字登记在提供的本子上。
26. He was thoroughly ashamed ______ so much money on such an ugly picture.
A. for spending B. with spending
C. to have spent D. of having spent
解析：答案是D 句意为：他为花这么多钱在这么一张难看的画上而感到十分羞愧。
27. — Have you made up your mind _____ the chance to go to France?
— No. I’m practicing _____ the French language
A. to give up; to learn B. to give up; learning
C. giving up; to learn D. giving up; learning
解析：答案是B。make up one’s mind意为“决定”,后可接不定式或that从句作宾语。
28. In the dream Peter saw himself _________ by a fierce wolf, and he woke suddenly with a start.
A. chased B. to be chased
C. be chased D. having been chased
解析：答案是A。过去分词作宾语补足语的特点是：与其前的宾语为被动关系，这类考题尤其要注意“动词+反身代词+过去分词”“have+宾语+过去分词”等典型结构。根据句意可知，himself与chase为被动关系，故chase要用过去分词。
29. Never _____ off your coat; it’s rather cold outside
A. take B. taking C. to take D. taken
解析：答案是A。选动词原形构成祈使句。
30. ______ of the burden of ice, the balloon climbed up and drifted to the South.
A. To be free B. Freeing C. To free D. Freed
解析：答案是D 句意是：去掉了冰的负重以后，气球爬升起来，向南飘去了。看得出来主语是balloon，谓语是climb和drift，那么句首的free必然是伴随状语。伴随状语使用什么形式，由伴随状语里的动词和主语的关系决定。动宾关系使用过去分词（表示被动），主语是动作发出者时使用现在分词。 free someone(something) of (from)something表示使某人（物）不再受制于某物，someone是free的宾语，句子里的balloon充当了someone的成分，是free的宾语，所以应该使用过去分词。选D。
31. If the car won’t start, _________ it.
A. try push B. try pushing C. to try pushing D. to try to push
解析：答案是B 注意句首为if 引导的条件状语从句，填空句为祈使句，故第一个动词应是try，不应是 to try；另外，try doing sth 的意思是“做某事试试看有何效果”。
32. She cycled too fast round the corner, _________ her balance and _________ off.
A. losing, falling B. lost, fell C. losing, fell D. lost, falling
解析：答案是B 她骑车在拐弯处太快，失去平衡摔倒了
33. _________ the soup and add salt and pepper if necessary.
A. Taste B. Tasting C. To taste D. Having tasted
解析：答案是A 句意是：尝尝汤的味道，必要时加盐和胡椒粉。
34. —“Where should I send my application?”
—“The Personnel Office is the place ______.”
A. to sent it B. sent it to C. to send it to D. for sending it
解析：答案是C 因为这是send的固定搭配 送东西给某人 send sth to sb 原句你换一下位置就知道了 send your application to the personnel office
35. You have no business _____ to me the way you did yesterday
A. about talking B. talking C. talked D. on talking
解析：答案是B。 have no business to do/doing sth. 意为“无权做某事”。
