Trả lời: (bn điền mấy phần mik gạch chân vào là được)

?:

10, Cell phones are used by a lot of people. 

IX:

1, The safe is usually locked carefully.

2, The safe is kept in the bedroom on the second floor.

3, Yesterday everything in it was stolen by the thieves.

4, The police were told about it.

5, Everything in the house were checked by the police.

6, Everybody in the house were questioned by the police.

7, The house was surrounded by the police.

8, The police didn't think that the thieves was caught.

X:

1, Khue Van Pavilion is chosen as the symbol of Ha Noi.

2, Many old houses have been restored in Hoi An.

3, The tickets have been sold out for the match between Vietnam and Thailand.

4, The erection of the First Doctors' Stone tablets was ordered to erect by King Le Thanh Tong.

5, More trees and plants will be planted in the park.

  ~HỌC TỐT~

10. Cellphones are used by a lot of people. 

IX.

1. The safe is usually locked carefully.

2. The safe is kept in the bedroom on the second floor.

3. Yesterday, everything in it was stolen by the thieves.

4. The police was told about it.

5. Everything in the house were checked by the police.

6. Everybody in the house were questioned by the police.

7. The house was surrounded by the police.

8. The police didn't think that the thieves was caught.

X.

1. Khue Van Pavilion is chosen as the symbol of Ha Noi.

2. Many old houses have been restored in Hoi An.

3. The tickets have been sold out for the match between Vietnam and Thailand.

4. The erection of the first Doctors' stone tablets was ordered to erect by King Le Thanh Tong.

5. More trees and plants will be planted in the park.