24. -Do you think I could borrow your dictionary?    - ____ .

A. Yes, you may borrow               B. Yes, you could

C. Yes, help yourself                D. Yes, go on

23. -Alice, you feed the bird today, ____ ?

      -But I fed it yesterday.

A. do you           B. will you    C. didn't you     D. don't you

22. Tom ought not to ___ me your secret, but he meant no harm.

A. have told      B. tell        C. be telling     D. having told

21. It's nearly seven o' clock. Jack ___ be here at any moment.

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

20. A computer ___ think for itself ; it must be told what to do.

A. can't        B. couldn't        C. may not            D. might not 

19. The plant is dead . I ___ it more water.

A. will give                          B. would have given

C. must give                          D. should have given

18. - I stayed at a hotel while in New York .

      -Oh , did you ? You ____ with Barbara .

A. could have stayed  B. could stay C. would stay    D. must have stayed

17. A dog ran in front of my mother's car and she ____ stop very quickly.

A. ought to    B. had better     C. must               D. had to

16. A traffic accident happened yesterday and a driver ____ .

A. may hurt   B. may be hurting C. may have been hurt   D. may be hurt

15. I have neither a raincoat nor an umbrella. That's why I ____ wait until the rain stops.

A. must      B. should              C. ought to       D. have to