If it ________ rain we'll go to the Summer Palace tomorrow.

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If it ________ rain we'll go to the Summer Palace tomorrow.

1. A.
   doesn't
2. B.
   won't
3. C.
   didn't
4. D.
   hasn't

—Tom wants to know if you ________ a picnic next Sunday.

—Yes. But if it ________， we'll visit the museum instead.

A．will have; will rain                       B．have; rains

C．have; will rain                          D．will have; rains

If it ______ tomorrow, we’ll go to Bird’s Nest.

A. didn’t rain    B. won’t rain       C. doesn’t rain     D. isn’t raining