There were about nine hundred people at the content改成一般疑问句,还要有肯定和否定的回答（简单些）快的最佳
问题描述：
There were about nine hundred people at the content
改成一般疑问句,还要有肯定和否定的回答（简单些）
快的最佳
答
Were there about nine hundred people at the concert?
Yes,there were/No. there weren't
答
Were there about nine hundred people at the content?
yes,there were,
no, there weren't
答
改成一般疑问句,Were there about nine hundred people at the content?
肯定 Yes, there were.
否定的回答 No, there werent' .