—Bad news? —If you ______ know, Li Na got defeated again in the first round!A.ca

—Bad news? —If you ______ know, Li Na got defeated again in the first round!A.ca

题型:不详难度:来源:
—Bad news?
—If you ______ know, Li Na got defeated again in the first round!
A.canB.willC.shallD.must

答案
D
解析
考查情态动词特殊用法。Must 必须;偏偏,非得;句意:—坏消息?—如果你非要知道,李娜又一次在第一轮被打败。
举一反三
I          use a clock to wake me up because at six o"clock each morning the train comes by my house.
A.couldn"tB.mustn"t
C.shouldn"tD.needn"t

题型:不详难度:| 查看答案
We ______ the difficulty together, but why didn"t you tell me?
A.should faceB.might face
C.could have facedD.must have faced

题型:不详难度:| 查看答案
One of our rules is that every student       wear school uniform while at school.
A. mightB. couldC. shallD. will

题型:不详难度:| 查看答案
------She looks very happy. She ______ have passed the exam.
------I guess so. It’s not difficult after all.
A.shouldB.couldC.mustD.might

题型:不详难度:| 查看答案
You_____ all those calculations! We have a computer to do that sort of thing.
A.needn’t have done B.must not have done
C.shouldn’t have doneD.can not have done

题型:不详难度:| 查看答案
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