Youshould________inthehospital.A.ke

发布时间:2020-07-27 14:40:21

You should ________ in the hospital.A.keep quietlyB.to keep quietlyC.keep quietD.to keep quiet

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C解析should是情态动词,后面应接动词原形。此处keep是系动词,后面接形容词作表语。
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