题目内容
【题目】She ______ very hard since she came to our school．
A．studies B．has studied
C．is studying D．studied
【答案】B
【解析】
试题解析：句意：自从她来到我们学校她学习很努力。根据时间状语从句since she came to our school可知主句该用现在完成时, 而句子主语She是第三人称单数, 所以选B
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题目内容
【题目】She ______ very hard since she came to our school．
A．studies B．has studied
C．is studying D．studied
【答案】B
【解析】
试题解析：句意：自从她来到我们学校她学习很努力。根据时间状语从句since she came to our school可知主句该用现在完成时, 而句子主语She是第三人称单数, 所以选B