21. It is high time that the company_____ measures to improve its working conditions.
A. takes B. take C. has taken D. took
22. The order came that the medical supplies to Beijing for the H1N1 flu soon.
A. would be sent B. should send C. be sent D. must be sent
23. --Most of my classmates went to the exhibition yesterday. It’s really a pity you were absent.
--I wish I _____.
A. had B. did C. weren’t D. could
24. The two strangers talked as if they ____ friends for years.
A. should be B. would be C. have been D. had been
25. Jane’s pale face suggested that she ____ ill, and her parents suggested that she ____ a medical examination.
A. be; should have B. was; have C. should be; had D. was; has
26. Teachers recommend parents ________their children under 12 to ride bicycles to school for safety.
A. not allow B. do not allow C. mustn't allow D. couldn't allow
27.—I’m feeling terribly drunk now.
—Well, I’d rather you _______ like a fish in the party.
A. didn’t drink B. hadn’t drunk C. weren’t drinking D. not drink
28. The man insisted that he______ nothing wrong and _______ free.
A. did; set B. had done; should be set
C. do; be set D. had done; must be set
29. Bob would have helped us yesterday, but he .
A. was busy B. is busy C. had been busy D. will be busy
30. --Don’t you think it necessary that he ______ to Miami but to New York?
--I agree, but the problem is ______ he has refused to.
A. will not be sent; that B. not be sent; that
C. should not be sent; what D. should not send; what
21. D。It is high time that…从句谓语用一般过去时或should+动词原形，should不可省。
22. C。当表示愿望、请求、建议、命令等意义的动词(如order，suggest，command等)后面接从句时，从句用虚拟语气，从句谓语用should +do，should可以省略。
23. A。I wish后接从句要用虚拟语气。表示与过去事实相反用过去完成时；与现在事实相反用一般过去时。
24. D。as if表示“好像，放佛”，后接从句常用虚拟语气。这里表示与过去事实相反故用过去完成时。
25. B。suggest表示“暗示，表明”时，从句谓语用陈述语气；表示“建议”时，从句使用虚拟语气，即从句谓语用should+动词原形。
26. A。recommend后跟宾语从句应用虚拟语气，其结构为(should)＋动词原形，这里省略了should，故A项正确。
27. B。I’d rather that…后面的从句应用虚拟语气，表示与过去事实相反使用过去完成时。
28. B。insist只有表示在建议的时候才用虚拟语气，如果是陈述事实的话就不用虚拟语气。所以他说he had done nothing是事实，不是要求。后面的句子才是要求，所以后面用“should do”式虚拟语气结构。
29. A。在与虚拟语气连用时，要区分假设和事实，but后面都是客观事实。这里说明过去事实，故用一般过去时。
30. B。It is important/necessary…that…从句用虚拟语气，其结构为(should)＋动词原形；第二空that引导表语从句但不作句子成分。
A. takes B. take C. has taken D. took
22. The order came that the medical supplies to Beijing for the H1N1 flu soon.
A. would be sent B. should send C. be sent D. must be sent
23. --Most of my classmates went to the exhibition yesterday. It’s really a pity you were absent.
--I wish I _____.
A. had B. did C. weren’t D. could
24. The two strangers talked as if they ____ friends for years.
A. should be B. would be C. have been D. had been
25. Jane’s pale face suggested that she ____ ill, and her parents suggested that she ____ a medical examination.
A. be; should have B. was; have C. should be; had D. was; has
26. Teachers recommend parents ________their children under 12 to ride bicycles to school for safety.
A. not allow B. do not allow C. mustn't allow D. couldn't allow
27.—I’m feeling terribly drunk now.
—Well, I’d rather you _______ like a fish in the party.
A. didn’t drink B. hadn’t drunk C. weren’t drinking D. not drink
28. The man insisted that he______ nothing wrong and _______ free.
A. did; set B. had done; should be set
C. do; be set D. had done; must be set
29. Bob would have helped us yesterday, but he .
A. was busy B. is busy C. had been busy D. will be busy
30. --Don’t you think it necessary that he ______ to Miami but to New York?
--I agree, but the problem is ______ he has refused to.
A. will not be sent; that B. not be sent; that
C. should not be sent; what D. should not send; what
21. D。It is high time that…从句谓语用一般过去时或should+动词原形，should不可省。
22. C。当表示愿望、请求、建议、命令等意义的动词(如order，suggest，command等)后面接从句时，从句用虚拟语气，从句谓语用should +do，should可以省略。
23. A。I wish后接从句要用虚拟语气。表示与过去事实相反用过去完成时；与现在事实相反用一般过去时。
24. D。as if表示“好像，放佛”，后接从句常用虚拟语气。这里表示与过去事实相反故用过去完成时。
25. B。suggest表示“暗示，表明”时，从句谓语用陈述语气；表示“建议”时，从句使用虚拟语气，即从句谓语用should+动词原形。
26. A。recommend后跟宾语从句应用虚拟语气，其结构为(should)＋动词原形，这里省略了should，故A项正确。
27. B。I’d rather that…后面的从句应用虚拟语气，表示与过去事实相反使用过去完成时。
28. B。insist只有表示在建议的时候才用虚拟语气，如果是陈述事实的话就不用虚拟语气。所以他说he had done nothing是事实，不是要求。后面的句子才是要求，所以后面用“should do”式虚拟语气结构。
29. A。在与虚拟语气连用时，要区分假设和事实，but后面都是客观事实。这里说明过去事实，故用一般过去时。
30. B。It is important/necessary…that…从句用虚拟语气，其结构为(should)＋动词原形；第二空that引导表语从句但不作句子成分。
