Please ______ before you cross the road.

admin2009-07-17  41

问题 Please ______ before you cross the road.

选项 A、look up
B、look around
C、look at

答案B

解析 look up意为“向上看;查找”;look around意为“环顾四周”;look at意为“看”。全句意为“在过马路前请左右看一看”。
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