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There are eight tips in Dr.Roger's lecture on sleepand one of them is________ to bed early unless you think it is necessary.

Adoesn't go Bnot to go

Cnot going Ddon't go

 

D

【解析】考查特殊句式。句意:在Roger博士關于睡眠的講座里面共有八點忠告,其中之一是:除非你認為有必要,否則不要太早上床睡覺。分析句子結構可知,冒號后的句子是一個祈使句,故選D項。

 

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