21. The teacher won't accept papers written in pencils->
22. This team will win the prize by any means->.
23. People drink a great deal of tea in England ->
24. Look! Helen is carrying a basket of pears->.
25. The police has just caught the thief->
26. Terrorists have attacked many cities in the world for months->,
27. Nobody has locked this door->.
28. I have seen that play many times ->..
29. Did you give Linda an English - Vietnemese dictionary in her birthday ?
17.The war destroyed all the ancient constructions ->
30. You must give more care to your work ->
31. Why didn't you buy these books? ->.
32. Mozart wrote more than 600 pieces of music ->.
33. We haven't used this bicycle for many years ->.
34. Have you counted the money ?>.
35. Last night the visitors ate all the cakes ->.
36. They have bought most of these things from London ->
37. Tom and Bill are painting the fence over there ->,
38. They are going to repaint their house ->.
39. He couldn't open the door of the class->
40. Everybody should keep food in the fridge to keep it fresh ->.
41. We must repair that old building->...
42. The athletes might visit some interesting places after sea-game->
43. The goverment will rebuild the Memorial Monument->.
44. The students may elect John their leader.->
45. I have to return the scientific book to the library->.
46. Our parents have to clean up our house before Tet holiday->.
47. The gardeners are going to grow more trees a long the streets in the center of the city
48. They use milk for making butter and cheese ->,
49. The teacher is explaning that difficult Math problem to the students.->.