Câu hỏi :

Mark the letter A, B, C, or D to indicate the correct response to each of the following exchanges.

A. Do I have to open the window?

B. Must I open the window?

C. Shall I open the window?

D. Would you like to open the window?

* Đáp án

C

* Hướng dẫn giải

Đáp án C

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