GÌ RA I THÍCH GIÙM MỚI MÌNH NHỚ. 21. It (rain)____ hard. We can't do anything until it (stop)_____. 22. Last night we (watch)_____ TV when the power (fail)____. 23. That evening we (stay)_____ up to talk about he town where he (live)_____ for some years. 24. I (sit)_____ down for a rest while the shoes (repair)_____. 25. Half way to the office Paul (turn)____ round and (go)____ back home because he (forget) to turn the gas off. 26. London (change) a lot since we first (come)____ to live here. 27. While we (talk)____on the phone the children (start)____ fighting and (break)____ a window. 28. He used to talk to us for hours about all the interesting things he (do)____ in his life. 29. You know she (stand)____ looking at that picture for the last twenty minutes. 30. I (spend)____ a lot of ine travelling since I (get)____ this new job. 31. When I (be)_____ at schoo we all (study)____ Latin. 32. When I (meet)____ him he (work)_____ as a waiter for a year or So. 33. After he (finish)______breakast he (sit)______ down to writesome letters 34. She (have)____ a hard life, but she's always smiling. 35. I think Jim (be)_____ out of town