—Can you answer the last question?—No, I _______. It"s too difficult.[ ]A. m
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—Can you answer the last question?
—No, I _______. It"s too difficult. |
| [ ] |
A. mustn"t
B. can"t
C. needn"t
D. shouldn"t |
答案
| B |
举一反三
| You ____ play football in the street. It"s too dangerous. |
| [ ] |
A. wouldn"t
B. needn"t
C. mustn"t
D. couldn"t |
—Excuse me, must I finish my homework now?
—No, you _______. You can hand it in tomorrow. |
| [ ] |
A. mustn"t
B. needn"t
C. shouldn"t
D. wouldn"t |
— May I copy your homework?
— Sorry, you _____. |
| [ ] |
A. may not
B. needn"t
C. mustn"t
D. won"t |
—Can you finish the work in three days?
—Sorry, I ________. My computer doesn"t work. |
| [ ] |
A. mustn"t
B. may not
C. can"t
D. needn"t |
—_______ I borrow your calculator?
—of course you can. |
| [ ] |
A. Must
B. Can
C. Should
D. Will |
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