37．Thomas has already finished his report on fighting against pollution. （改为否定句）
Thomas _________ finished his report on fighting against pollution _________.
38．To leave us a good impression, Kitty put on her prettiest dress for the party.（对划线部分提问）
_________ _________ Kitty put on her prettiest dress for the party?
39．Alex was proud of his father. He wrote many articles about him. （合并成一句）
Alex was _________ proud of his father _________ he wrote many articles about him.
40．As we all know, many travellers visit the Great Wall every year.（改为被动语态）
As we all know, the Great Wall _________ _________ by many travellers every year.
41．Linda didn’t have supper and went to the concert in a hurry yesterday.（保持句意基本不变）
Linda _________ to the concert _________ supper yesterday.
42．“How did the ancient people build that stone bridge?” asks Tom. （改为间接引语）
Tom wants to know _________ the ancient people _________ that stone bridge.
43．to, an, important, keep calm, it, in, emergency, is. （连词成句）
_______________________________________________________________.
37．
【答案】hasn't yet
【解析】句意：托马斯已经完成了他关于与污染作斗争的报告。
本句为现在完成时，它的否定构成为“haven’t/hasn’t+过去分词”，且完成时常用于否定句的标志词为yet。故填①hasn’t，②yet。
38．
【答案】Why did
【解析】句意：为了给我们留下好印象，凯蒂穿上她最漂亮的衣服去参加聚会。
根据句意理解及划线部分To leave us a good impression可知，这里是对原因的提问，英语中提问原因用why，特殊疑问句的结构是：特殊疑问词+一般疑问句，由原句动词put可知，句子用的是过去时，所以这里变成一般疑问句要加助动词did，故答案为Why did。
39．
【答案】so that
【解析】句意：艾利克斯为他的父亲感到自豪，他写了很多关于他父亲的文章。
此处用so…that…引导结果状语从句，表达“如此自豪以至于写了很多关于他父亲的文章”。故答案为so和that。
40．
【答案】is visited
【解析】句意：众所周知，每年很多人去参观长城。
根据“every year”判断是一般现在时；the Great Wall做主语，是单数名词；谓语动词visit变成被动形式is visited。故答案为is visited。
41．
【答案】hurried without
【解析】句意:琳达昨晚没吃晚饭匆忙去了音乐会。
根据“yesterday”可知句子是一般过去时；“went to the concert in a hurry”可变成动词短语hurried to the concert ;“didn’t have supper”可变成介词短语without supper。故答案为hurried和without。
42．
【答案】how built
【解析】句意：汤姆问：“古代人是怎样建那座石桥的？”
直接引语变成间接引语，know后面的宾语从句的引导词是疑问词how;根据“How did the ancient people build”可知问的句子是一般过去时态，在从句中用陈述句语序，主语the ancient people后面用谓语动词的过去式built。故答案为how和built。
43．
【答案】It is important to keep calm in an emergency.
【解析】句意：紧急情况下保持镇定是很重要的。
此处的主语是动词不定式to keep calm保持镇定；用it做形式主语；表达“做某事是重要的”用句型it is important to do;介词短语in an emergency放在句末做状语。故答案为It is important to keep calm in an emergency.
Thomas _________ finished his report on fighting against pollution _________.
38．To leave us a good impression, Kitty put on her prettiest dress for the party.（对划线部分提问）
_________ _________ Kitty put on her prettiest dress for the party?
39．Alex was proud of his father. He wrote many articles about him. （合并成一句）
Alex was _________ proud of his father _________ he wrote many articles about him.
40．As we all know, many travellers visit the Great Wall every year.（改为被动语态）
As we all know, the Great Wall _________ _________ by many travellers every year.
41．Linda didn’t have supper and went to the concert in a hurry yesterday.（保持句意基本不变）
Linda _________ to the concert _________ supper yesterday.
42．“How did the ancient people build that stone bridge?” asks Tom. （改为间接引语）
Tom wants to know _________ the ancient people _________ that stone bridge.
43．to, an, important, keep calm, it, in, emergency, is. （连词成句）
_______________________________________________________________.
37．
【答案】hasn't yet
【解析】句意：托马斯已经完成了他关于与污染作斗争的报告。
本句为现在完成时，它的否定构成为“haven’t/hasn’t+过去分词”，且完成时常用于否定句的标志词为yet。故填①hasn’t，②yet。
38．
【答案】Why did
【解析】句意：为了给我们留下好印象，凯蒂穿上她最漂亮的衣服去参加聚会。
根据句意理解及划线部分To leave us a good impression可知，这里是对原因的提问，英语中提问原因用why，特殊疑问句的结构是：特殊疑问词+一般疑问句，由原句动词put可知，句子用的是过去时，所以这里变成一般疑问句要加助动词did，故答案为Why did。
39．
【答案】so that
【解析】句意：艾利克斯为他的父亲感到自豪，他写了很多关于他父亲的文章。
此处用so…that…引导结果状语从句，表达“如此自豪以至于写了很多关于他父亲的文章”。故答案为so和that。
40．
【答案】is visited
【解析】句意：众所周知，每年很多人去参观长城。
根据“every year”判断是一般现在时；the Great Wall做主语，是单数名词；谓语动词visit变成被动形式is visited。故答案为is visited。
41．
【答案】hurried without
【解析】句意:琳达昨晚没吃晚饭匆忙去了音乐会。
根据“yesterday”可知句子是一般过去时；“went to the concert in a hurry”可变成动词短语hurried to the concert ;“didn’t have supper”可变成介词短语without supper。故答案为hurried和without。
42．
【答案】how built
【解析】句意：汤姆问：“古代人是怎样建那座石桥的？”
直接引语变成间接引语，know后面的宾语从句的引导词是疑问词how;根据“How did the ancient people build”可知问的句子是一般过去时态，在从句中用陈述句语序，主语the ancient people后面用谓语动词的过去式built。故答案为how和built。
43．
【答案】It is important to keep calm in an emergency.
【解析】句意：紧急情况下保持镇定是很重要的。
此处的主语是动词不定式to keep calm保持镇定；用it做形式主语；表达“做某事是重要的”用句型it is important to do;介词短语in an emergency放在句末做状语。故答案为It is important to keep calm in an emergency.
