When Carol _______ last night, I _______ my favorite show on television.

Câu hỏi :

When Carol _______ last night, I _______ my favorite show on television.

A had called / watched

B called / have watched

C was calling / watched

D called / was watching

* Đáp án

D

* Hướng dẫn giải

Phương pháp giải:

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