Вставь в пропуски do/does/don't /doesn't/ help your mum? - yes, watch tv in the evening? -yes,he go to bed at 9 o'clock? - no,he play computer games at 8 o'clock? -no,

1)Do you help your Mum?-Yes,I do.
2)Does he watch TV in the evening?-Yes,he does.
3)Does Ben go to bed at 9 o'clock?-No,he doesn't.
4)Do they play computer games at 8 o'clock?-No,they don't.