The United States consists of fifty states, _________ has its own government.         

Câu hỏi :

The United States consists of fifty states, _________ has its own government.         

A each of them                    

B each of which              

C they each                       

D each they

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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