It is very kind you to help me with my housework. It is hard me to do all the work.A. of

问题补充：

It is very kind you to help me with my housework. It is hard me to do all

the work.

A. of, for

B. for, of

C. of, to

D. to, for

答案：

(答案→)A. of, for

B. for, of

C. of, to

D. to, for

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