задать 5 видов вопросов к предложениям: 1)they were eating cake 2)he is talking 3)he has written a letter

1) They were eating cake.

Were they eating cake?

Who was eating cake?

They were eating cake, weren\'t they?

Were they eating cake or cookies?

What were they eating?

2) He is talking.

Is he talking?

He is talking, isn\'t he?

Is he talking or commenting?

Who is talking?

What is he doing?

3) He has written a letter.

Has he written a letter?

He has written a letter, hasn\'t he?

Has he written a letter or an essay?

Who has written a letter?

What has he written?