_______ the street, don't forget to watch the traffic lights. A. While crossing B. While crossed C. ...
2022-11-05 06:40:20 207次 牛津译林版英语9A Unit7 复习试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
_______ the street, don't forget to watch the traffic lights.
A. While crossing B. While crossed
C. While being crossing D. While be crossed
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