After writing it, the essay must be duplicated by the student himself and handed into the department secretary before the end of the month.

Câu hỏi :

After writing it, the essay must be duplicated by the student himself and handed into the department secretary before the end of the month.

A be        

B into 

C After writing it   

D  the end of

* Đáp án

C

* Hướng dẫn giải

Phương pháp giải:

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