题目内容

14. (2015 •北京石景山区模拟) She very hard since she came to our school.

   A. studies   B. has studied

   C. is studying   D. studied

14. B

14. B 考査时态。句意:自从她来到我们学 校,她就学习很刻苦。

since后接一般过去时 的句子,主句用现在完成时。

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