Viết lại câu sử dụng cấu trúc bị động

Viết lại câu sử dụng cấu trúc bị động (Passive Voice)

They build many new schools every year.
→ ________________________________________________________

The teacher gave us a lot of homework.
→ ________________________________________________________

Someone has taken my bike.
→ ________________________________________________________

People speak English all over the world.
→ ________________________________________________________

He cleans the classroom every morning.
→ ________________________________________________________