题目内容
Look out for cars ________ the street.
A. when crossed
B. when crossing
C. if you crossed
D. while you are crossing
答案:B
解析:
解析:
这是When you cross the road的省略形式。
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题目内容
Look out for cars ________ the street.
A. when crossed
B. when crossing
C. if you crossed
D. while you are crossing
这是When you cross the road的省略形式。
|