It is essential that every student x to learn English at university

Câu hỏi :

It is essential that every student x to learn English at university

A. had

B. have

C. has

D. to have

* Đáp án

* Hướng dẫn giải

 Đáp án là C. None + of + (the/ my, her ./ these, those,..) + Ns: không ai/ cái gì trong…

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