26．I called Nancy many times but couldn't get through．Someone on the phone all the time!A

问题补充：

26．I called Nancy many times but couldn get through．Someone on the phone all the time!

A. has been talking

B. was talking

C. has talked

D. Talked

答案：

A. has been talking

(答案→)B. was talking

C. has talked

D. Talked

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