I will not be here next week. I am going to be__________business in Mexico

Câu hỏi :

I will not be here next week. I am going to be__________business in Mexico.

A. about

B. in

C. on

D. at

* Đáp án

* Hướng dẫn giải

   Đáp án là C. on business: đi công tác

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