You must be careful ________ electricity. It's dangerous. A. to B. at C. with D. for
2022-10-14 20:30:38 107次 冀教版九年级英语上册Unit 3 Safety单元测试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
You must be careful ________ electricity. It's dangerous.
A. to B. at C. with D. for
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