They (talk) ______________ to each other when we saw them.

Câu hỏi :

They (talk) ______________ to each other when we saw them.

A hadn’t been talking    

B didn’t have been talking

C hadn’t been talked     

D didn’t have been talked

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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