情態動詞指本身有一定的'詞義，表示語氣的單詞，如would、should等。下面是小編整理的會考英語詞彙測試題，希望能幫到大家!
1.—Can you go swimming with us this afternoon? —Sorry, I can’t. I _____ take care of my little sister at home because my mother is ill. A. can B. may C. would D. have to
2.—May I go to the cinema, Mum?
—Certainly. But you ______ be back by 11 o’clock. A. can B. may C. must D. need
3. To make our city more beautiful, rubbish ______ into the river.
A. needn’t be thrown B. mustn’t be thrown C. can’t throw D. may not throw
4.—Who is the man over there? Is it Mr. Li? —No, it ______ be him. Mr. Li is much taller. A. mustn’t B. may not C. can’t D. needn’t
5. These books ______ out of the reading room. You have to read them here. A. can’t take B. must be taken C. can take D. mustn’t be taken
6. The boy said he had to speak English in class, but he ______ speak it after class. A. could B. didn’t have to C. might D. shouldn’t
7.—Must we hand in the papers now? —No, you ______. A. can’t B. may not C. mustn’t D. needn’t
8. John ______ go there with us tonight, but he isn’t very sure about it. A. must B. can C. will D. may
9. A computer ______ think for itself, it must be told what to do. A. can’t B. couldn’t C. may not D. might not
10.—Could I borrow your dictionary? —Yes, of course you _______. A. might B. will C. can
D. should
11. Michael ______ be a policeman, for he’s much too short.
A. needn’t B. can’t C. should D. may
12. ______ I know your name? A. May B. Will C. Shall D. Must
13. ______ you be happy! A. Might B. Must C. Wish D. May
14. The matter ______ be changed into a gas, but it _______ be heated to its boiling point. A. may; needn’t B. may; can
C. mustn’t; needn’t D. can; must
15. Cars and buses ______ stop when the traffic lights turn red. A. can B. need C. may D. must
16.—May I have an apple, Mum?
—Certainly. But you ______ wash your hands first? A. may B. must C. can D. need
17.—Shall I tell John about the bad news?
—No, you ______. I think that will make him sad.
A. needn’t
B. wouldn’t
C. shouldn’t
D. mustn’t
18.—Could I call you by your first name? —Yes, you ______.
A. will
B. could
C. may
D. might
19.—______ the man there be our new teacher? —He ______ be, but I’m not sure.
A. May; mustn’t
B. Can; may
C. Must; can’t
D. Can; can’t
20.—Sometime is knocking at the door. Who ______ it be?
—It ______ be Tom. He is still in the school.
A. can; can’t
B. can; mustn’t
C. might; could
D. might; may
參考答案：1～5 DCBCD 6～10 BDDAC 11～15 BADDD16～20 BDCBA
