Question

---Simon wants to know if the Class 3 students______ hiking tomorrow.
---Yes, but if it ______ , they’ll visit the museum instead.

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

Answer 1

C
考查if的用法。第一个if引导宾从，是是否的意思，tomorrow指将来，用一般将来时will go；第二个if引导条件状从，意为如果，they’ll visit the museum instead.”是将来时，所以从句用一般现在时表将来。选C。