1. A lot of cards have been sold during the season
2. This switch can't be touched
3. Exercises won't be corrected by the teacher tomorrow
4. Cloth puppets used to be made 

5. How many ways can this problem be solved by you ?

6. This dress is used only on occasions

7. Refreshment will be served 

8. A lot of the work are being done by students

9. My car can't be repaired

10. A great deal of coffee in China is drunk