He is very keen ____________English, but he is not good __________ listening.

Câu hỏi :

 He is very keen ____________English, but he is not good __________ listening.

A on/ at   

B at/ on 

C  at/ at         

D to/ of

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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