Giúp mình với mình cần gấp
Change the following sentences into passive voice
1. Nina was singing a song when you came.
2. Hoe was calling him on the way to Noi Bai airport
3. The gardener has planted some trees.
4. Our teachers have explained the English grammar.
5. Larry is going to send a letter to Tom.
6. The Greens are going to paint this house and these cars for Christmas Day.
7. We will grow a lot of trees in the parks.
8. Tom will visit his parents next month.