Đổi sang câu bị động

II. Đổi sang câu bị động 1. Where do you find the box?....................................................................................................

2. Who wrote this report?.................................................................................................... ...........

3. When does your friend buy this house?................................................................................

4. Why do you clean the house?................................................................................................

5. Which books do you prefer?.................................................................................................

6. Who did the homework?....................................................................................................

7. When did Sam repair my car?.............................................................................................

. 8. When did you steal my pencil case?......................................................................................

9. Who finished the report?..........................................................................................................

10. When did your mother mail that letter?.................................................................................