Помогите пожалуйста используйте предлоги ДАЮ 35 БАЛЛОВ
(at, in, , for, from, of, on, to, through)
5.I strongly object ________ your participation in the game.

6. I' ll try to keep Alec ______ joining this dangerous expedition.

7. The bike is fairly expensive , ____ the other hand we can afford it.

8. We blame Victor ______ what has happened.