We can’t do well in examinations we study hard in school time.A. if B. and C. since D. unless 题目和参考答案——青夏教育精英家教网—

题目内容

We can’t do well in examinations we study hard in school time.

A. if B. and C. since D. unless

【解析】

试题分析：句意：我们不能考好，除非我们在上学的时候努力学习。If如果；and和；since自从；unless除非。所以选D。

考点：考查连词。

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