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问题: 英语语法 麻烦大家

Enough sleep is important to health.The amount of sleep needed depend on the age of the person and the conditions in ( ) sleep take place.The young may need more sleep than the old,but usually eight hours are enough for the health of grown-ups.Some can do with ( ) less than this amount,but others may need more.Every person knows his own need.( ) is then a matter of good judgement to satisfy his need. Sleep ( ) always be enough to make one bring back his ()(strong的正确形式) and get ready for a day's work.

解答:

Enough sleep is important to health.The amount of sleep needed depend on the age of the person and the conditions in (which ) sleep take place.The young may need more sleep than the old,but usually eight hours are enough for the health of grown-ups.Some can do with ( in) less than this amount,but others may need more.Every person knows his own need.( It) is then a matter of good judgement to satisfy his need. Sleep (must ) always be enough to make one bring back his (strength)名词(strong的正确形式) and get ready for a day's work.


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