there were about nine hundred people at the concert(一般疑问句）

there were about nine hundred people at the concert(一般疑问句） 把There were about nine hundred people at the concert变成一般疑问句和 1.There were about nine hundred people at the concert. There were about nine hundred people at the concert 改疑问句 The There were about nine hundred people at the concert.(改否定句,一般 改否定句和一般疑问句there were about nine hundred people at the concer There were about nine hundred people at the concert 改否定句 The There were (about nine hundred) people at the concert.句型转换 There were about nine hundred people at the content There were about nine hundred people at the content.改成否定句!一般 There were about nine hundred people in the meeting hall. nine hundred people were present in the meeting的否定句和一般疑问句是?对