The alarm clock (ring) ..................several times before. You should stop it and get up.

Câu hỏi :

The alarm clock (ring) ..................several times before. You should stop it and get up.

A rang   

B has rang        

C has been ringing      

D has been rung

* Đáp án

C

* Hướng dẫn giải

Phương pháp giải:

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