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Itisverykind

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问题详情:

Itisverykind

It is very kind ____ you to help me with these maths problems because it is very difficult ____ me to work them out.


       A. of; for        B. of; of           C. for; of          D. for; for


【回答】

A

知识点:介词和介词短语

题型:选择题

标签:Itisverykind