1._____ sleep do you need?Nine hours’sleep.

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1._____ sleep do you need?Nine hours’sleep.
A.How much B.How long C.How much D.How often
2.I can learn much _____ the Internet.
A.in B.on C.at D.searce
3.Eating and sleep well _____ you keep in good health.
A.helps B.helping C.helped D.help
4.(适当形式填空)
Do you eat _____?（health）
5.decide to do sth.与decide on doing sth.有什么区别?

1.A/C 两个答案不是一样的么?
how much 是“多少”的意思,形容不可数名词;how long 是“多久”；how often 表示做某事的频率
2.B on the Internet 是固定搭配
3.A 根据就近原则
4.healthy 副词；健康地；吃得健康
5.差不多

1._____ sleep do you need?Nine hours’sleep. _____ _____ _____ do you sleep every night? Nine.I need lots i need nine hours' sleep every night.改为同义句 sleep nine hours和sleep for nine hours You drink milk and sleep nine hours every Most people need seven to ten hours of sleep _____ we need to sleep eight or nine hours every night.为什么need后加to I sleep for nine hours every night people need to sleep nine hours at least这句话有没有语法错误? Boys and girls need eight or nine hours sleep every day.翻译 _____ do you sleep a day? what do you need?I need sleep.填介词