Would you mind telling me what you…………….to do for the last half an hour?

Câu hỏi :

Would you mind telling me what you…………….to do for the last half an hour?

A have been trying           

B  had been trying 

C are trying  

D  were trying

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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