She isn’t a dancing teacher, is she?—_______.

Did you go to the last sale in Guomao—Sure. It was really a good one. People didn’t leave 11:30 p.m..

The boy is so naughty that he never hismother.

The number of the workers in this factory ________1,500. A number of them ______ from the countryside.

Our company’s development will not standof anyone, nor will it threaten anyone