Today, computers are really helpful. They _________ everywhere. A. use B. are used C. used D. were u...
2022-09-22 15:20:37 185次 人教版九年级unit 14 I remember meeting all of you in grade7.单元检测卷（无音频） 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Today, computers are really helpful. They _________ everywhere.
A. use B. are used C. used D. were used
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