Помогите пожалуйста!!Даю 35 баллов(вставьте предлоги at, in, , for, from, of, on, to, through)
1. Mrs Rundell simply didn't manage to participate ____ all the meetings.

2.Don't you think Rose is tired ______ all these outings?

3.The rays of the sun could hardly break ______ the clouds because of the dark sky.

4. We should do it ___ all costs.