题目内容
【题目】To cross the road ________,we must look at the traffic lights. ( )
A. safeB. safetyC. safely
【答案】C
【解析】
略
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题目内容
【题目】To cross the road ________,we must look at the traffic lights. ( )
A. safeB. safetyC. safely
【答案】C
【解析】
略