Question

I’ve just painted the door．I’ll put a WET PAINT notice next to it, _________ somebody doesn’t realize it’s just been painted．

1. A.
   while
2. B.
   if
3. C.
   in case
4. D.
   as long as

Answer 1

C
解析：
句意为“我刚粉刷了门，我要在旁边贴上’油漆未干’的牌子，以防有人不知道这个门刚刚被刷过”。in case引导目的状语从句。