Question

【题目】—You should pay attention to the traffic light ______ you cross the street.
—Sorry, I will be careful next time.
A.until
B.since
C.after
D.before

Answer 1

【答案】D
【解析】根据句意：—你应该注意交通灯____你过马路。—抱歉，下次注意。A.直到；B.自从；C.在……之后；D.在……之前。根据句意可知应是在过马路前看交通灯，故选D。