3. Has the bedroom studied by you?
4 I was taken to the dentist this morning by my mother
IV
1 I asked Nam if he wanted to visit the Great Wall of China
2 Hoa said she sometimes worked on Sunday
3 She said she had to stay at home tomorrow
4 I asked the tourists of they were from Australia
V
1 be written
2 has painted
3 used
4 telling
5 to learn
6 to go
7 were having
8 sold
VI
1 structures
2 by
3 through
4 farmers
5 building
6 China
7 were
8 attracts