Cần gấp nha mọi người, sẽ chấm điểm :)
II. Change the sentences into passive voice
1. I learn English every day.
=> 
2. My mother wrote that letter.
=>
3. He is asking me a lot of questions.
=> 
4. She was doing her homework at that time. 
=>
5. My mother has made that cake.
=> 
6. They had prepared a dinner before we came.
=>
7. My friend can answer this question.
=> 
8. Nam has just finished his report.
=> 
9. The students have to wear uniforms every day.
=>
10. We must use English in the English class.
=>