I think __________ should have enough time to sleep. A. twelve years old B. twelve-years-old C. twel...
2022-10-27 13:39:33 173次 人教版九年级下册英语 unit7 第5课时 测试 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
I think __________ should have enough time to sleep.
A. twelve years old B. twelve-years-old
C. twelve-year-old D. twelve-year-olds
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