i don't know ---with the problem(填how to do 还是what to do ).3

问题描述:

i don't know ---with the problem(填how to do 还是what to do ).3Q
1个回答 分类:英语 2014-11-28

问题解答:

我来补答
how to do; how to do 后面要接宾语,而what to do不用.
 
 
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