________thatthedoorislockedbefore

发布时间:2020-07-26 02:20:50

________ that the door is locked before you leave the roan.A.Making sureB.Make sureC.Be sureD.To make sure

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B解析【巧解导析】此处须填入一个动词做谓语,整个句子是一个祈使句,故
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