"Be quick! We must speed up if we don’t want to miss the flight. "

Câu hỏi :

"Be quick! We must speed up if we don’t want to miss the flight. "

A turn down 

B slow down     

C look up    

D put forward

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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