练习：

1. We surely desire that the tour leader       us immediately of any change in the travel schedules.

   √A. inform        B. informs     C. informed     D. has informed

2. Look at the terrible trouble I       your advice!

   A. follow   √B. had followed     C. would follow    D. have followed

3. I wish       go to the movie with you tonight, but I have to finish myhomework then.

   A. I can       √B. I could         C. I will      D. I would

4.          available, we would certainly have sent him to the meeting.

   A. John was   B. Wasn’t John    √C. Had John been   D. John had been

5. I would have come sooner but I       that you were waiting.

   A. haven’t known   B. hadn’t known   √C. didn’t know   D. have known

6. If you had told me in advance, I        him at the airport.

   √A. would have met      B. would meet       C. had met    D. met

7. Everybody has arrived. It’s time we       the meeting.

   A. would start       B. had started     C. shall start   √D. started

8.Tony does not dare to leave the house in case        .

   A. he will recognize      √B. he should be recognized

   C. he is recognized       D. he recognizes

9. Franklin looked as though he      ill for a long time.

   A. was       B. were       C. has been       √D. had been

10. I’d rather you       about it for the time being.

   A. don’t think       √B. didn’t think  

C. would not think    D. had not thought

11. It is necessary that Mark       in time to attend the meeting.

   √A. come     B. came      C. comes        D. will come

12. Tom is working hard for fear that he        .

   A. fell behind          B. may fall behind  

√C. should fall behind     D. would fall behind

13. It is imperative that Hurst wood        to hospital at once.

   A. is taken    B. shall be taken   √C. should be taken  D. must be taken

14. The driver looked over the engine carefully lest it       on the way.

A.      breaks down        B. broke down

C. would break down     √D. should break down

15.          Tomorrow, I ivory would surely be welcome.

   A. If she comes         B. When she comes

   C. would break down    √D. should break down

16. It is highly desirable that a new chairman          for the committee.

   A. will be elected      B. is elected    C. elect     √D. be elected

17. Kitty talks as if she         on the spot.

   A. is      √B. were         C. has been        D. be

18. I didn’t go to the concert. But I do wish I       there.

   A. was      √B. had been      C. were        D. went

19. It is requested that every student        a plan for the nest semester.

   A. makes     √B. make     C. will make      D. would make

20. The librarian recommended that the professor    the newly published books.

   √A. borrow    B. borrowed   C. should have borrowed   D. borrowing

21. Even if she       there, Margaret could not have done anything either.

   A. were      B. was being     C. be    √D. had been

22. I don’t think it advisable that Darcy        the job as a secretary since he

  has no experience.

   √A. be assigned   B. will be assigned

  C. is assigned    D. has been assigned