Ребят, помогите пожалуйста с английским ))) Срочно Даю 18 баллов

Question

Ребят, помогите пожалуйста с английским )))
Срочно
Даю 18 баллов

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Answer 1

1 By whom was discovered Australia?
2 These football stadiums are designed by this architect.
3 Air-conditioning will be installed in their office by them.
4 An expedition up Mount Everest is planned by four climbers.
5 Are all the animals fed by Jason?