Childrenshouldhaveat的知识精选

Childrenshouldhaveatleast 
问题详情:Childrenshouldhaveatleast ________atnight.A.eight­hourssleep  B.eighthour’ssleepC.eight­hours­sleep D.eighthours’sleep【回答】D点拨:本题用语法判定法解题。以­s结尾的复数名词变所有格时直接...
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