－_____ I swim in that river? －No, you _____. It"s dangerous to swim in it. [
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－_____ I swim in that river?
－No, you _____. It"s dangerous to swim in it. |
| [ ] |
A. Must; can"t
B. Can; may
C. Must; needn"t
D. May; mustn"t |
答案
| D |
举一反三
— 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 |
— Dad. Why should I stop ______ computer games?
— For your health, my boy, I"m afraid you ______. |
| [ ] |
A. to play, must
B. playing, have to
C. to play, can
D. playing, may |
| Don"t put off today"s work for tomorrow. I mean, today"s work _____ today. |
[ ] |
A. may do
B. must do
C. may be done
D. must be done |
| You _____ cross the road when the traffic lights are red. It"s dangerous. |
| [ ] |
A. needn"t
B. may not
C. mustn"t |
| It"s very late. She must _____ home now. |
A. goes
B. to go
C. go
D. go to |
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