chuyển các câu sau sang bị đọng
1, science and technology have completely changed human life
2, nothing can change my mind
3, no one had told me about it
4, l dont know her telephone munber
5, they sent me a present last week
6, she give us more infformation
7, they can make tea with cold water
8 , thay will hold the meting before may day
9, they have to repair the engine of the car
10, teacher is going to tell a story
11,Mary is cutting a cake with a sharp knife.
12,Mary is cutting a cake with a sharp knife.
13,They have provided the victims with food and clothing.
14.You mustn't use this machine after 5:30 p.m.
15 After class, one of the students always erases the chalk board.
16 people speak english in almost every corner of the wold