Smokers generally do know that smoking is extremely harmful, but it's just that they can’t  help _______ it.

Câu hỏi :

Smokers generally do know that smoking is extremely harmful, but it's just that they can’t  help _______ it.

A  doing                       

B to do                        

C do 

D having done

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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