Question

--What a bad day! It's raining again.I'm afraid we can't go boating tomorrow.

--Don't worry. It won't _________ long.

1. A.
   drop
2. B.
   last
3. C.
   rain
4. D.
   go

Answer 1

B
根据语境，其答语表示“别担心，雨天不会持续很久的”。四个选项中只有last可表示“持续”的意思。因此选B。