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.->.