Переделать в Passive form
1. his eldest brother looked after him yestarday
2. they usually take bus #181
3.we buy food for out pets once a week.
4/mikes father pays for his education.our teacher will give us a test in Maths next week
5.they will ask me many questions at the counference tomorrow.

Eldest brother was looked after ...
Buss #181 is usually taken 
Food is bought for ...
His education is paid by Mike`s father
Us will be given a test in Maths next week by our teacher
I will be asked many questions at the counference tomorrow.

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