There were about nine hundred people at the concert.(改否定句,一般疑问句)

问题描述:

There were about nine hundred people at the concert.(改否定句,一般疑问句)

There weren t about nine hundred people at the concert
Were there about nine hundred people at the concert?

否定句:There were not nine hundred people at the concert.
一般疑问句: Were there nine hundred people at the concert?

There weren't about nine hundred people at the concert.
Were there about nine hundred people at the concert?

There weren'tabout nine hundred people at the concert.
Were there about nine hundred people at the concert?