Mr.Cool’s Clothes Store is () sale this time of year.填 at还是of还是in_英语解答

Mr.Cool’s Clothes Store is () sale this time of year.
填 at还是of还是in还是on

人气：122 ℃　时间：2019-10-20 00:04:29

解答

用on
on sale表示出售的意思