问题

Mr. Wu, why can’t I always get good grades in study–Well, if you are in class and read books after class. I’m sure you will get better grades in the future.

A:keep
B:to keep
C:keeping
D:Keeps;

正确答案是：

同类题型

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arnt both business and history, but she knows________of them well, thoughshe can speak on subjects in general

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