Английский.... помогите)

1) There's no point___watching TV just for the sake of it. Why dont you read a book instead?
2) My brother is really obsessed___playing computer games.
3) Tanya started out ___ the cafe window. It was 9 o'clock and Peter still hadn't turned up.
4) The amount of violence on TV could have a negative effect ___ children
5) Game shows really don't appeal ___ me. They're often boring and predictable.
6) I wouldn't regard myself ___ a TV addict. I only watch television for two hours a day.