VI. Change into passive.
1. How many languages are you learning now?
2. Who did you meet a week ago?
3. Why haven’t they done their homework yet?
4. How do people cook this kind of food?
5. Have you tidied the kitchen?
6. People didn’t organize this festival some years ago.
7. They didn’t look after the children properly.
8. Nobody swept this room last week.
9. She didn’t introduce me to her mother.
10. When will you do the work?
11. Have you seen Philip lately?
12. When did you receive my letter?
13. What did Bell invent?
Loga
Sinh Học lớp 12
