don’t get close to ___fire or your clothes will catch___fire.

问题描述:

don’t get close to ___fire or your clothes will catch___fire.
A /;/ B the;/ C /;a D the ;a
为何选B

don’t get close to ___fire
the表示特指,说明这个火是对话的两个人都知道的
catch fire意思是着火,是固定搭配啦~~