- sleep do you think is necessary for a Grade 9 student? - 8 hours at least. A. How often B. How long C. How many D. How much 题目和参考答案——青夏教育精英家教网—

题目内容

— ______sleep do you think is necessary for a Grade 9 student?

— 8 hours at least.

A. How often B. How long C. How many D. How much

【解析】

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。

考点：考查特殊疑问词的用法。

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