It is not easy ( )to drive a bus well 括号里选什么?learn\to learn\

问题描述:

It is not easy ( )to drive a bus well 括号里选什么?learn\to learn\learning\learns
1个回答 分类:英语 2014-11-30

问题解答:

我来补答
to learn

It's + 形容词 +to do
 
 
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