-I don't know if his uncle . -I think he if it doesn't rain. [ ] A．will come; comesB．will come; will come C．comes; comesD．comes; will come 题目和参考答案——青夏教育精英家教网—

题目内容

－I don't know if his uncle ________.

－I think he ________ if it doesn't rain.

[　　]

A．will come; comes

B．will come; will come

C．comes; comes

D．comes; will come

答案：B
解析：

　　解析：此题主要考查if的两种用法：

　　一是引导条件状语从句：主句如果是一般将来时，从句应该用一般现在时，此时if意为“如果”．

　　二是引导宾语从句：if＝whether，应当根据实际情况来选用时态，此时if意为“是否”．本题中前面一句为if引导的宾语从句，意思是“我不知道他的叔叔是否会来”．根据句意应该用一般将来时；后面一句的意思是“如果不下雨，我想他会来的”．从句为一般现在时，主句用一般将来时．故答案选B．

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