Question

I don't know if it ________ tomorrow．If it ________, I won't go．

1. A.
   will rain; rains
2. B.
   will rain; will rain
3. C.
   rains; rains
4. D.
   rains; will rain

Answer 1

A
主句是一般现在时，宾语从句用所需要的时态；主句是一般将来时，条件状语从句用一般现在时表将来。