chuyển các câu sau sang câu bị động1

chuyển các câu sau sang câu bị động

1. Does he often sing English songs?

2. Did you finish your homework?

3. Who did you meet yesterday?

4. Who talks to you on the phone?

5. What did your sister do last night?

6. What time do they hold the meeting?

7. Who are you talking to?

8. Who are they looking for?

9. Who was waiting for you when you came?

10. What is she doing?

11. Who has met you?

12. What have you just had for dinner?

13. Had he prepared for the lesson?

14. What sports can you play?

15. Are you going to rebuild your house?

16. Who can help me?