Youwillhavetoseeto________thatth

发布时间：2020-07-09 15:19:06

You will have to see to ________ that the machine is in good condition before using it．













A.everything












B.yourself











C.all











D.it

网友回答

D解析see to 后接由that 引导的宾语从句，其后必须跟上it．
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