According to the traffic rule, when riding a motorbike, you must wear a to protect your head. A. hel...
2022-11-14 11:22:28 149次 牛津译林版英语九年级下 Unit 4 测试卷 （ word版附答案 ） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
According to the traffic rule, when riding a motorbike, you must wear a to protect your head.
A. helmet B. shirt C. cap D. mask
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