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