He hasn"t come to school. I think he be ill. [ ]A. c

题型：同步题难度：来源：

He hasn"t come to school.  I think he              be ill.           [     ]
A. can
B. must
C. needn"t
D. can"t

答案

举一反三

—Where is Tom?
—He didn"t come to school today. I think he             be ill.             [     ]
A. has to
B. should
C. may
D. need

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—           I answer this question in English?
—No, you            . You            answer it in Chinese.              [     ]
A. May, needn"t, can
B. Must, needn"t, may
C. May, mustn"t, could
D. Must, mustn"t, can

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—I"d like to do somle volunteer work, but I"m not sure what I should do.
—You ______ give out food at the food bank.   [     ]
A. should
B. must
C. could
D. need

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If you want to join us, you __________ help kids with their schoolwork.[ ]
A. would
B. have to
C. could
D. should

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-Must we hand in the money for the tickets now?
-No, you __________.[ ]
A. mustn"t
B. can"t
C. needn"t
D. may not

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