Thank you. It was very kind _________ you to help me.

Câu hỏi :

Thank you. It was very kind _________ you to help me.

A. for

B. to

C. with

D. of

* Đáp án

D

* Hướng dẫn giải

Chọn D

Cụm từ cố định: It was very kind of you to so sth

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