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【题目】I don’t know if he .If he ,I will call you .

A. comes, will come B. will come, comes

C. will come , will come D. comes, comes

【答案】B

【解析】

试题分析:句意:我不知道他是否,如果他,我会打电话给你。在第一个句子中if引导宾语从句可以根据表达需要选用动词时态;在第二个句子中,if引导条件状语从句,要遵循“主将从现”的原则。所以选B。

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