KS5U英语20分钟专题突破（21）：情态动词

4. Look! Tom is too sleepy to work .He __ up watching TV.

A. mustn't have stayed   B. shouldn't have stayed   C. mustn't stay   D. ought not to say.

5. ----I’ve told her many times , and she still forgot about it!

   ---I understand． It’s true that she _______ be very forgetful sometimes．

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

6. English lessons are in strong demand in the United States, and people ____ wait for an opening

   A. have to    B. may have to           C. must                 D. may

7. Yesterday , Jane walked away from the discussion. Otherwise , she        

something she would rather regret later.

A. had said       B. said             C. might say          D. might have said

8. —Are you coming to Jeff’s party?

—I’m not sure, I        go to the concert instead.

A. must          B. would          C. should              D. might

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