He was so tired that he couldn"t work any longer.[ ]A. wasn"t allowed to
题型:同步题难度:来源:
He was so tired that he couldn"t work any longer. |
[ ] |
A. wasn"t allowed to B. shouldn"t C. wasn"t able to D. mustn"t |
答案
C |
举一反三
I _____ have two wings and then fly to the moon. |
[ ] |
A. would B. could C. should D. might |
Cars and buses________ stop when the traffic lights turn red. |
[ ] |
A. can B. need C. may D. must |
—It is nearly six p.m. Will you have dinner here? —Sorry, _______. I have many things to do. |
[ ] |
A. I mustn"t B. I can"t C. I needn"t D. I don"t |
—Must I finish the work before" clock? —No, you _______. |
[ ] |
A. needn"t B. mustn"t C. have to D. can t |
Henry___________ be at home because he phoned me from the farm just now. |
[ ] |
A. mustn"t B. isn"t able to C. may not D. can"t |
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