I really don't know .
：I really don't know ------the problem.
A what to solve (这个我知道肯定错的)
B how to solve
C why to solve (这个也是错的吧 ,)
D who to solve
主要是 B D 有点纠结 ,我们老师说 选D 但我觉得B好像不错吧 .求详解 .:-D 额 ,顺便把涉及的知识给我想一下 ,对这类的选择题一直失分.
人气：280 ℃ 时间：2019-10-06 22:12:45
解答
B how to solve 是对的
没有who to solve the problem的用法.如果想表达“不知道让谁来解决这个问题.”是I really don't know who we should ask to solve the problem
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