Chuyển các câu hỏi sau sang thể bị động.
1. How many dresses have you bought?
2. Who are they talking about?
3. What are you buying?
4. Which can you repair?
5. How much water do you bring?
6. Why don’t they help him?
7. How did you speak to her?
8. Where do people speak Vietnamese?
9. When did they hold the party?
10. How could they open this can?
`1` . How many dresses have been bought by you ?
`2` . Who is being talked about ?
`3` . What is being bought ?
`4` . Which can be repaired ?
`5` . How much water is brought ?
`6` . Why weren’t they helped by him?
`7` . How was she spoken to?
`8` . Where is Vietnamese spoken ?
`9` . When was the party held ?
`10` . How could this can be opened ?