–Why, I couldn’t get you on the phone this morning. --We tennis in the yard when you called. A. must be playing B. could be playing C. must have played D. must have been playing 查看更多

 

题目列表(包括答案和解析)

–Why, I couldn’t get you on the phone this morning.

--We _____ tennis in the yard when you called.

A.must be playing

B.could be playing

C.must have played

D.must have been playing

 

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–Why, I couldn’t get you on the phone this morning.

--We _____ tennis in the yard when you called.

A. must be playing  B. could be playing

C. must have played         D. must have been playing

查看答案和解析>>

22. –Why, I couldn’t get you on the phone this morning.

--We _____ tennis in the yard when you called.

A. must be playing      B. could be playing

C. must have played      D. must have been playing

查看答案和解析>>

32. –Why, I couldn’t get you on the phone this morning.

--We _____ tennis in the yard when you called.

A. must be playing  B. could be playing

C. must have played      D. must have been playing

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–Why, I couldn’t get you on the phone this morning.
--We _____ tennis in the yard when you called.

A.must be playingB.could be playing
C.must have playedD.must have been playing

查看答案和解析>>


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