题干
If the house is ____ fire, _____ where is the nearest exit.
A：in; find
B：on; find out
C：catches; find
D：on; find
答案(点此获取答案解析）
B
If the house is ____ fire, _____ where is the nearest exit.
A：in; find
B：on; find out
C：catches; find
D：on; find
