【题目】We’d better ___________ for traffic while crossing the road.
A.look for
B.look after
C.watch out
D.take care

【答案】C
【解析】watch out意为“小心”。look for意为“寻找”；look after意为“照顾”；take care意为“照顾，照料”。句意：过马路时我们最好小心车辆。故选C。