问题:
Be careful when you go ____ the street because the trafficis very busy at the moment.
A.across
B.behind
C.between
D.over
Be careful when you go ____ the street because the trafficis very busy at the moment.
A.across
B.behind
C.between
D.over
A.across
B.behind
C.between
D.over
参考答案: