看图，完成句子

Amy: is your job?

Mr Zhou: I'm a singer.

Amy: do you work?

Mr Zhou: I work in a music studio.

Amy: do you do?

Hr Zhou: I sing songs and perform on stage.

Amy: is your job?

Mr Liu: I'm an astronaut

Amy: do you work?

Mr Liu: I work in a spacecraft.

Amy: do you do?

Mr Llu: I travel in space and do experiments.