来自黄西平的问题
Therewereaboutninehundredpeopleattheconcert.(改否定句,一般疑问句)
Therewereaboutninehundredpeopleattheconcert.(改否定句,一般疑问句)


Therewereaboutninehundredpeopleattheconcert.(改否定句,一般疑问句)
Therewereaboutninehundredpeopleattheconcert.(改否定句,一般疑问句)
Thereweren'taboutninehundredpeopleattheconcert.
Werethereaboutninehundredpeopleattheconcert?