It is imperative that your facebook password ________ confidential

Câu hỏi :

It is imperative that your facebook password ________ confidential.

A. need keeping   

B. need to keep  

C. needs to be kept   

D. needed keeping

* Đáp án

A

* Hướng dẫn giải

Đáp án A

Cấu trúc gợi ý, khuyên bảo: It is imperative that + S+ V( bare-inf). Điều quan trọng là …

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