Children should have at least( )a night. A.ei
Children should have at least( )a night. A.ei
Children should have at least( )a night.
A.eight hours sleep
B.eight hour's sleep
C.eight-hours-sleep
D.eight hours'sleep
求详细解析，谢谢~
顺便扩展一下知识点，总结一下这道题的语法，我向来不会做这样三个词一组的选择题！
Children should have at least( )a night.
A.eight hours sleep
B.eight hour's sleep
C.eight-hours-sleep
D.eight hours'sleep
求详细解析，谢谢~
顺便扩展一下知识点，总结一下这道题的语法，我向来不会做这样三个词一组的选择题！
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