The grey building is where the workers live, and

The grey building is where the workers live, 选择

——Where do you live？——I live in a tall building，on the___________floor．

Is Halloween celebrated where you live？ In the United States and Canada, Halloween is wide

It is already time that the unnecessary workers______to the workshops where they are neede

The grey building is the place where the workers live, and the white building is the

Fewer and fewer of todays workers expect to spend their working lives in the same field