2. chuyển sang câu bị động
1. people speak english all over the wold
- english
2. people are cleaning the streets in his town
- the
3. an carthquake has destroyed the whole town
- the
4. the prinerpal will punish that stubborn student
- that
5. they will complete the high way in two months
- the
6. we can buy many things thrwugh the Inteinet
- many
7. the students of class 7A have cleaned all the windowns
- all
8. you should prepare your speach carefully
- your
9. they will adverfife the predut on tele vision
- the
10. they will anounce the news tomorrow
- the