I am sorry that I don't know you want to take part in the competi_英语解答

I am sorry that I don't know you want to take part in the competition.哪里错了?

人气：148 ℃　时间：2019-08-26 08:27:35

解答

don't 改为：didn't
因为不知道你要参加比赛,不知道是在过去,而不是现在,所以用一般过去时.