so we found ways to raise money,such as putting on a show...的putt_英语解答

so we found ways to raise money,such as putting on a show...的putting on为啥要用putting而不用put on

人气：107 ℃　时间：2019-10-23 04:25:58

解答

因为as 是介词,介词后面如果是动词的话都要变成doing形式