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Babies sleep l6 to l8 hours in every 24 hours, and theysleep less they grow older.A.whileB.asC.whenD

编辑:chaxungu时间:2026-04-24 12:56:24分类:高中英语题库

Babies sleep l6 to l8 hours in every 24 hours, and theysleep less ________ they grow older.
A.whileB.asC.whenD.after在线课程B