15.He hesitated for a moment before kicking the ball, otherwise he ____ a goal.

A. had scored　　　　　B. scored　　　 C. would score　　　D. would have scored

[解析]D 这是otherwise 引出的含蓄虚拟语气，再根据前面的 hesitated 可进一步知道这是与过去事实相反的虚拟语气 .

[学法导航]考生在复习情态动词和虚拟语气时要注意如下几点：

14. --Where have you been?

　　 --I_______in the heavy traffic. Otherwise I______here earlier.

A. got stuck; would have come　　　　 B. got stuck; was

C. have got stuck; would have come　 D. had got stuck; would come

[解析]A 由句意得知被交通堵塞困住是发生在过去，第一空用一般过去时，排除CD，第二空为与过去事实相反，故选A

13. But for the leadership of our Party and our Government, we __________ these splendid results.

A．have achieved　　　　　　　 　　 　　B．shouldn’t have achieved

C．should have achieved　　 　　 　　D．would achieve　

[解析]B but for 相当于without，可以用if 非真实条件句替换。有句意可知时发生在过去，与过去事实相反。

12. John’s pale face suggested that he ______ill, and his parents suggested that he ______a medical examination.

A. be, should have　 B. was, have　 C. should be, had　　 D. was, has

[解析]B suggest表示“表明，暗示”时，宾语从句不用虚拟语气，而表示“建议”时，要用should 跟动词原形的虚拟语气。根据句意可以得知，答案为B

11. It is vital that we _____ act out at once to protect the environment.

　 A. would　　　　　 B. should　　　　　 C. will　　　　　　 D. can

[解析]B It is vital/important/strange/necessary/natural…that 从句中，从句运用should跟动词原形。

10.-Any information about your son?

-No. If only I ______ those tough words to him.

A．didn't say　　　　　　　　 　 　　　B．hadn't said

C．shouldn't have said　　　　　 　　　 　D．couldn't have said

[解析]B if only 引起的句子要用虚拟语气。与wish跟从句用虚拟的规则一样。与过去的事实相反，用过去完成时态。

9. ---Your sister nearly _______ all her spare time to her study during the three years.

----That's right， or she ________ the first place in her school in the College Entrance Examination.

A. devoted; wouldn't have taken 　 　B. spent; wouldn't have taken

C. had devoted; hadn't taken 　　　　　　　 　D. had spent; couldn't take

[解析]A devote … to 为固定搭配，因此第一个空应从AC选。Or 翻译成“否则，要不然”，相当于otherwise，引起句子运用虚拟语气，主句用 would have done。

8. Zhang Lin was addicted to computer games during his last year in high school , otherwise he____________a student of Beijing University .

A．would have been　 B．should be　　 C．has been 　　 　　　　D．had been

[解析]A otherwise引起虚拟语气的虚拟语气属于含蓄型的，由句意可以得知是与过去的事实相反，主句用 would have done。

7.The World Wide Web is sometimes jokingly called the World Wide Wait because it _________be very slow.

A. should　　　　　　　 B. must　　　　　　　　 C. will　　　　　　 　　　　 　　　 D. can

[解析] D在通常情况下，情态动词 can 表示推测时，只用于否定句和疑问句，不用于肯定句，但有一种特殊情况就是它可以用于肯定句中表理论上的推测或表示“有时”之意，而此题考查的正是can 表示“有时”的用法。

6. -Lucy doesn’t mind lending you her dictionary.

-She _________. I’ve already borrowed one.

A. can’t　　　 　　 B. mustn’t　 C. needn’t　　　　　　 　　　 D. shouldn’t

[解析]C 既然“我已经借了一本”，所以“她就没有必要借给我了”。needn’t在此表示“不必”。