题目内容
If it ________ fine tomorrow, we will go to Xi'an.
[ ]
A．is B．was C．doesn't
答案：A
解析：
提示：
解析：
|
由 if引导的条件状语从句，主句用将来时态，从句则用一般现在时态。 |
提示：
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当 if作“是否”讲时不需要这个规则。例：I don't know if he will come. |
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