赞题库-背景图

单项选择题

It is very kind ______ you to help me with this problem.

A. for
B. of
C. to

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热门试题

单项选择题Where did the conversation take place

[A] On a train. [B] In the dining room. [C] In a shop.

单项选择题I know only a little ______ computers.

[A] about
B. over
C. at