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题目内容
（商丘师范学院-英语视听说1）
(单选题) He studied very hard all the time because he didn‘t want to _____in his studies.(本题1.0分)
A、 fall behind
B、 e left ehind
C、 left behind
D、 Both A an B
A、 fall behind
B、 e left ehind
C、 left behind
D、 Both A an B
参考答案