1.The window is opened by Hoa.
2.Our homework is done by us.
3.A question is asked by me.
4.Glasses are worn by people.
5.Our exercises is corrected by the teacher.
6.Hoa isn't helped by anyone.
7.A book is read by Hoa after dinner.
8.English is spoken all around the wold by people.
9.The house is cleant by them everyday.
10.The meal is cooked in the kitchen by my mother.
11.This letter is written by my friends.
12.Milions of tons of rice are export by VN every year.
13.A lot of beautiful toys are maken by them.
14.The streets are cleant by the workers.
15.We aren't helped by anybody.
Chúc bạn học tốt ^_^!!!
(Nếu thấy hay hãy vote 5*,cảm ơn và bình chọn là câu trả lời hay nhất để mik có động lực giải tiếp các BT khác nhé!)
