18. My mother ……………….(buy) some food at the grocery store now.
19. She (not study) ………. on Saturday.
20. When I arrived, they (wait) ……………………… for me. They were very angry with me.
21. My mother often (teach)……….me English on Saturday evenings.
22. The film (start) ……………. before we (come) ……………… to the cinema.
23. I …………. (call) Mr Wilson at 9 last night, but he (not be)………………….at home. He (study) …………….at the library
24I (think) …………..much about what you said and I've decided to take your advice.
25. She (go) ……………....out with her boyfriend last night.
26. The couple scarcely (enter)…. the house when they (begin)………. to argue 13. I really (enjoy)….. my holiday last January.
27. The secretary (not leave) ………. until she (finish)………. her work...
28. Laura (cook) …………...a meal yesterday afternoon.
29 Someone (paint)… the room because the smell of the paint was very strong when I got into the room.
30. While Ted ………………. (shovel xúc bằng xẻng) snow from his driveway yesterday, his wife ………………… (bring) him a cup of hot chocolate.
31. The teacher (ask)………. the boy why he (not do)……………. his homework.
32. When I arrived, Kate … (wait) for me. She was annoyed with me because I was late and she … (wait) for a long time.
33. I (be) …………….tired when I came home.
34. He (wonder) ……. whether he (leave)…………. his wallet at home.
35. She (already/ post) …. the letter when she (realize)…. she (send) . it to the wrong address.
36. Joan thinks the Conservatives (win)………………the next election.
37. A: “I’m going to move my house tomorrow.”
38. Hardly the car (go)…………. a mile when it (have)……… a flat tyre.
39. Sue was sitting on the ground. She was out of breath. She … (run)
40. They _______ (build) a house by June next year.
B: “I (come) ………………… and help you.”
41. I (be) …….there at four o'clock, I promise 4.Phone me after 8 o’clock. We (finish) …..dinner by then.
42. If she passes the exam, she (be) ………………..very happy.
43. A: “I’m cold.”
B: “I (turn) ……………….. on the fire.”
44. Tomorrow afternoon we’re going to play tennis from 3 o’clock until 4.30. So at 4 o’clock, We (play) ………………. tennis.
45. A:Can we meet tomorrow?
B:Yes, but not in the afternoon. I (work) . ……………..
46. A In two years from now, the contract ________ (come) to an end.
47. A: “She's late.”
B: “Don't worry she (come)……………………soon.”
48. By the time you arrive, I ________ (finish) writing an essay 14. By the end of December, John ________ (work) as a reporter for ten years.
49. Lisa is from Nem Zealand. She is travelling around Europe at the moment. So far she has travelled about 1,000 miles. By the end of the trip, she (travel) …… more than 3,000 miles.
50. I hope it ________ (stop) working by 5 o'clock this afternoon.
1. is buying
2. isn't studying
3. Is she running
4. is eating
5. are you waiting
6. aren't trying
7. are having
8. are travelling
9. is drinking
10. is speaking