We won't go to the Great Wall if it ________ tomorrow.

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If it ______tomorrow, we won't go to the Great Wall.

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A. rain　　　　　 B. rains

C. will rain　　　D. is going to rain

We'll go to the Great Wall if it 　　　 rain tomorrow.　　　

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A． will　　　B．won't　　　C．isn't　　　D．doesn't

从所给的四个选项中选择最佳答案

If it ______ tomorrow, we won't go to the Great Wall.

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A．rain　　  　　　　　　B．rains

C．will rain　　　　　　D．is going to rain