Надо вставить At to on in или for в предложения

3)We had a party our mother's 50th birthday.

4)What did you do the weekend. 

5)Did you go the gym(здесь понятно что должно стоять to the gym)

А вот здесь...

1)I'd like to watch the golf television

2)I feel bad. I'm going to stay bed.

1)I'd like to watch the golf on television.2)I feel bad. I'm going to stay at bed.

3)We had a party on our mother's 50th birthday.4)What did you do at the weekend. 5)Did you go to the gym(здесь понятно что должно стоять to the gym)