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27． be healthy.teenagers enough sleep. A．So that.should get B．In order to.shouldn’t get C．In order that.are supposed to get D．In order to.need to get 【查看更多】

 

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________ be healthy，teenagers _________ enough sleep.

A．So that，should get                    B．In order to，shouldn’t get

C．In order that，are supposed to get     D．In order to，need to get

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