4. Vietnamese song isn't sung, English song is sung.
5, Roses are grown in front of their house.
7, A letter was written to his mother.
8, A bunch of flowers was given.
10, Was your house painted blue?
15, Trees in the garden aren't being planted now.
17, Their dictations were being written in the class.
18, A chair was being brought into the kitchen.
21, The little boy has been founded in the forest by the police.
22, I have just been given a book.
Học tốt!!!
