The doctors know that it is very difficult to save the patient's life, _______ they will try

Câu hỏi :

The doctors know that it is very difficult to save the patient's life, _______ they will try their best

A. but

B. although

C. despite

D. however

* Đáp án

A

* Hướng dẫn giải

Đáp án A

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