II. 情态动词练习题
1    
(   ) 1 John___ come to see us tonight, but he isn’t very sure yet.

A. may    B. can   C. has to   D. must

(   ) 2 They ___ do well in the exam.   

A. can be able to  B. be able to  C. can able to  D. are able to

(   ) 3 -May I take this book out?    --No, you___.

A. can’t    B. may not   C. needn’t   D. aren’t

(   ) 4 You___ go and see a doctor at once because you’re got a fever.

A. can    B. must   C. dare   D. would

(   ) 5 -Can you speak Japanese?  -No, I____.   

A. mustn’t   B. can’t   C. needn’t  D. may not

2
(   ) 1 -He___ be in the classroom, I think.
-No, he ___ be in the classroom. I saw him go home a minute ago.
A. can; may not   B. must; may not   C. may; can’t    D. may; mustn’t

(   ) 2 --Shall I get one more cake for you, Dad?  
--Thanks, but you___, I’ve had enough.
A. may not   B. must not   C. can’t    D. needn’t

(   ) 3 Even the top students in our class can’t work out this problem, so it _____ be very difficult.
A. may   B. must   C. can    D. need

(   ) 4 He isn’t at school. I think he ___ be ill.    
A. can    B. shall   C. must   D. has to

(   ) 5 ___ I take this one?    
A. May   B. Will   C. Are    D. Do

3
(   ) 1 The children___ play football on the road.   
A. can’t    B. can    C. mustn’t   D. must

(   ) 2 You ___ be late for school again next time.
A. mustn’t    B. needn’t    C. don’t have to   D. don’t need to

(   ) 3 -Must I do my homework at once?   --No, you___. 
A. needn’t    B. mustn’t    C. can’t    D. may not