1.

actor男演员,  actress女演员,  artist艺术家,  

cook厨师,  scientist科学家.

2.

What is your job?

你的工作是什么？

I am a/an ……….

我是一个.....

What is your job?

I am an actor.

I am an actress.

I am an artist.

I am a cook.

I am a scientist.

3.

Who are you?

你是谁？

I am ……….

我是......

What is your job?

你的工作是什么？

I am a/an ………..

我是一个.......

Who are you?

I am Cedric.

What is your job?

I am a cook.

4.

Who is he/she?

他/她是谁？

He/She is ……….

他/她是....... 

He/She is my ………..

他/她是我的.....

What is his/her job?

他的/她的工作是什么？

He/She is a/an ………..

他/她是一个.......

Who is he?

He is Mike. He is my grandfather.

What is his job?

He is a scientist.

Who is she?

She is Anna. She is my sister.

What is her job?

She is an actress.