It's difficult _____ a little girl to answer these questions. It's really nice ____ you to

题目简介

It's difficult _____ a little girl to answer these questions. It's really nice ____ you to

题目详情

It's difficult _____ a little girl to answer these questions. It's really nice ____ you to help her answer them.
[     ]
A. of ; of
B. of; for
C. for; of
D. for; for
题型:单选题难度:中档来源:期末题

答案

C

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