Whentheoldmansawsomelitteronthe

发布时间:2020-07-12 07:31:55

When the old man saw some litter on the ground, he quickly         












A.picked it up











B.picked up it










C.picked them up










D.picked up them

网友回答

A解析本题的含义是当老人看到地上的垃圾,他会很快地把它们捡起来,pick up sth为此意,sth为代词,应放在pick和up之间,垃圾为不可数名词用it,故本题选A。
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