21. I hope to see you at Christmas. ?I am........................................................................ 22. He didn’t pass the exam , because he spent a lot of time playing games. ?If.................................................................. 23. Are you against working on Sunday? ?Do you object.........................................................? 24. I have to writes 6 letter a day. ?There are............................................................... 25. People always laugh at his funny face, he doesn't like it. ?He dis likes............................................................. 26. You are not permitted to smoke in the hall. ?Smoking................................................................ 27. I wish I had gone on holiday with my friend. ?I regret.................................................................. 28. Tom's father no longer smokes cigarettes. ?No....................................................................... 29. This baby rarely cries during the night. ?Rarely.................................................................. 30. People did not discover Aids until 1981. ?Not until................................................................