Question

【题目】— Look! Some people are running the red lights.
— We should wait ______ others are breaking the rule.
A.if
B.unless
C.although
D.because

Answer 1

【答案】C
【解析】句意：——看！一些人在闯红灯。——虽然别人都在违反规则，但是我们应该等。if”如果“，引导条件状语从句；unless”除非“，如果不；although”虽然，尽管“，引导让步状语从句；because”因为“，引导原因状语从句。根据句意可知应选C