Did you help the old woman ( ) her floor?`A.to sweeping B.sweepin_英语解答

Did you help the old woman ( ) her floor?`A.to sweeping B.sweeping C.sweep
一道英语习题,

人气：445 ℃　时间：2020-04-16 14:32:35

解答

C
固定用法：help sb do sht 帮助某人做某事
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