1. These contracts should be signed by the manager today.

2. The tornado destroyed thirty houses.

3. The other members are called by John.

4. Your pen has to be put in a box.

5. We must keep our school clean and tidy.

6. Some workers were removed the door when they arrived.

7. The course will be finished by the students by July.

8. Chữ thứ hai là gì vậy ạ???

9. They must restore the building.

10. They are dying her hair at the moment.

11. Your reservation can be made by dialing 001 now.

12. The dustbins have been emptied recently.