问题描述：
英语19.He is very tired.He needs _______.
19.He is very tired.He needs _______.
a.a night rest b.a rest night c.a night’s rest d.a rest of night
为什么
19.He is very tired.He needs _______.
a.a night rest b.a rest night c.a night’s rest d.a rest of night
为什么
问题解答：
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