— ______sleep do you think is necessary for a Grade 9 student? — 8 hours at least. A.How oftenB.How

题目简介

— ______sleep do you think is necessary for a Grade 9 student? — 8 hours at least. A.How oftenB.How

题目详情

— ______sleep do you think is necessary for a Grade 9 student?
— 8 hours at least.
A.How oftenB.How longC.How manyD.How much
题型:单选题难度:偏易来源:不详

答案

D

试题分析:句意:你认为对于一个九年级的学生多少睡眠是必要的。至少八个小时。A. How often 多久一次B. How long 多久  C. How many多少,加不可数名词D. How much 多少,加不可数名词。sleep,不可数名词,故选D。

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