look at the paper on the floor,please pick it up 还是 pick them up?_英语解答

look at the paper on the floor,please pick it up 还是 pick them up?

人气：209 ℃　时间：2019-12-19 00:02:11

解答

答案：【 pick it up 】才对
解析：因为paper是个不可数名词,所以用单数it
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