–_____ should your robot need repairing? – Every six months. A. How long B. How often C. When D. Wha...
2022-10-25 21:13:52 27次 牛津译林版九年级下册英语 Unit 3 Robots-Task 练习 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
–_____ should your robot need repairing?
– Every six months.
A. How long B. How often C. When D. What time
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