30. —Why! I ____ get you on the phone.— We ______ basketball on the playground w

30. —Why! I ____ get you on the phone.— We ______ basketball on the playground w

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30. —Why! I ____ get you on the phone.
— We ______ basketball on the playground when you phoned.
A.didn’t; must have been playing B.didn’t; must be playing
C.couldn’t; must have playedD.couldn’t; must be playing

答案
A
解析

举一反三

7. No one but her parents _____ it.
A.knowB.knowsC.is knowingD.are knowing

题型:不详难度:| 查看答案

8. The results of the examination _____ that you have all made great _____ .
A.show; progressB.shows; progressC.show; progressesD.shows; progresses

题型:不详难度:| 查看答案

10.Here _____ a new pair of shoes for you.
A.isB.areC.haveD.Has

题型:不详难度:| 查看答案

5、E-mail, as well as telephone, ______ an important part in daily communication.
A.is playingB.have playedC.are playingD.Hoped

题型:不详难度:| 查看答案

7、Every possible means ______ to prevent the air pollution, but the sky is still not clear.
A.is usedB.are usedC.has been usedD.have been used

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