*change the sentences into passive voice
Câu 1:I have know him since last week
He has been met since last week
Câu 2:Has his daughter passed the examination for three days?
Has the examination been passed by his daughter for three days?
Câu 3:The man has not answered the phone
The phone has not been answered by the man.
Câu 4:Nobody has met her grandmother for ten years
Her grandmother has not been met for ten years.
1. He has been met since last week
2. Has the examination been passed by his daughter for 3 days?
3. The phone has not been answered by the man
4. Her grandmother has not been met for ten years