Để nâng cấp đường điện trước mùa mưa bão, người ta tiến hành dựng lại các cột điện. Trước đây các cột điện dựng cách nhau 65m, nhưng nay dựng cột điện cách nhau 50m. Hỏi sau cột đầu không dựng lại thì đến cột thứmấy không phải dựng lại?

Cực dài,ai làm được không ạ ?

^{_{Find one mistake in each sentence and correct them}}

^{_{1. During a car accident, I was free from danger.}}

^{_{2. My mother has gone shopping twice a week.}}

^{_{3. Never in my life have I visited to London.}}

^{_{4.Nobody phoned while I was out, did he?}}

^{_{5.My brother has got a job so that he could be independence of his parents.}}

^{_{6. She is used to work at night.}}

^{_{7. No sooner had I settled down to reading when the boss called.}}

^{_{8. Despite I try hard to play the piano, I don’t seem to improve.}}

^{_{9. Whatever does he tells you , Don’t believe a word he says.}}

^{_{10. At 3 o’clock, he had finished his work..}}

^{_{11. I am too tired that I can’t go out with you.}}

^{_{12. I wish I went with you yesterday.}}

^{_{13. The people whom were there didn’t notice anything unusual.}}

^{_{14. She always makes the crossword in the papers when she is free.}}

^{_{15. I lost alot of weigh when I was ill.}}

^{_{16. The house hasn’t been lived for ages.}}

^{_{17.If summer comes I will go on holiday.}}

^{_{18. He brushed in to the burning house to save a child, that was very brave.}}

^{_{19. He is out of work so he gets his employment benefits every thursday.}}

^{_{20. He spent 3 hours to write this composition.}}

^{_{II. Find the mistakes and correct them.}}

^{_{1. Susan and Somsak were badly injured in the last match, so not any of them can play today.}}

^{_{2. I don’t approve with his behaviour.}}

^{_{3. He is two times as older as his sister.}}

^{_{4. It was 10 years ago since he last came back to his home town.}}

^{_{5. This is the house where he was born in.}}

^{_{6. It was so beautiful beach that I want to go swimming there.}}

^{_{7. Mr brown is seriously considering to leave for futher studies.}}

^{_{8. They looked very cheerfully when they came to see us last night.}}

^{_{9. The test was such a long that I feel like going to bed.}}

^{_{10. The Swiss is thirfty and hard-working.}}

^{_{11. The far north we go, the least likely we are to meet high temperatures.}}

^{_{12. Accidents are often caused by carelessly.}}

^{_{13. There was considerable improvements in agriculture since}}

^{_{World War II.}}

^{_{14. I would rather you would come next sunday.}}

^{_{15. I wish you knew but you didn’t}}

^{_{16. We should have the gardener to spray the lawn with insecticide.}}

^{_{17. Noone is indifferent to praise, aren’t they?}}

^{_{18. Which one works hardest of all?}}

^{_{19. Some of the boys whom I invited them didn’t come.}}

^{_{20. I offered my friend some helps but he refused.}}

^{_{Find a mistake in each sentence}}

^{_{1. Mr. Pike likes travelling. By the time he will be 60, he will have visited 15 countries and capitals.}}

^{_{2. Today seems wonderfully for us to have a picnic.}}

^{_{3. Years ago, some people didn’t used to go to the doctor when they were ill.}}

^{_{4. I sometimes wish that I will have another car.}}

^{_{5. It is a dull evening . We have nothing doing}}

^{_{6. All the athletes are trying to run as fastly as they can.}}

^{_{7. Many people think this novel writing by Charles dickens.}}

^{_{8. One of the fastest growing cities are Mexico City.}}

^{_{9. His study is showing a tendency improving}}

^{_{10. Professor Jones said that a good way to improve your language learning is to practise frequently.}}

^{_{11. Many teachers have devoted all their lives to teaching so teaching is not well paid job.}}

^{_{12. Peter does likes football. He never misses a football match.}}

^{_{13. By the time the police come the robber had run away.}}

^{_{14. Have you ever read any novels writing by Jack London?}}

^{_{15. Four hundred miles are too much for me to drive in one day.}}

^{_{16. Before the industrial revolution come to America the majority of the population lived in the countryside.}}

^{_{17. Gets the bad news from her parents, Mary immediately burst into tears.}}

^{_{18. Mr. Pike stopped his car, got out and looking around.}}

^{_{19. While many other students are working hard in the library to prepare for the final exam, Peter was working on the field with his ball.}}

^{_{20. It has been nearly for 10 years since the house was last painted, it is lod, needs to repaint.}}

^{_{21. My shoes need mend so I take them to a shoes-maker.}}

^{_{22. Peter wished they have not been punished by the teacher yesterday.}}

^{_{23. Would you be so kind enough helping me with my work?}}

^{_{24. Why are you so late? I am waiting here for more than one hour.}}

^{_{25. Daisy has such things to do that she has no time to go out.}}

^{_{26. I regret not to help you but I really couldn’t do anything else.}}

^{_{27. Why didn’t Peter go to school? What did happened to him?}}

^{_{28. I have learned English for I was 10 years old.}}

^{_{29. He has just taken a 14 days trip around America recently.}}

^{_{30. Instead of we eat at home, we went to the restaurant.}}

^{_{31. I was listening to the radio when the door bell ring.}}

^{_{32. Smoking is harmful not only to smokers so to non-smokers.}}

^{_{33. Before the combine harvester had invented farmers had to cut and thresh rice byhand.}}

^{_{34. John said he will invite some of his friends for dinner so Mary had to buy some more food and drink.}}

^{_{35. Since fireworks are danger, many cities have laws preventing businesses from selling.}}

^{_{36. Let you and I consider the problems carefully.}}

^{_{37. Human had struggled against weeds since the beginning of agriculture.}}

^{_{38. Open the letter from her mother, she felt very happy.}}

^{_{39. Many scientists have tried to unlocking the genetic code.}}

^{_{40. The mother will wait outside the school until her son will finish his examination.}}

^{_{41. Before go out , remember to turn off the lights.}}

^{_{42. I was walking along the road when I realized that there has been a man following me.}}

^{_{43. Peter has written the composition for 3 hours and he has not finished it yet.}}

^{_{44. Most lasers are be used in medical and scientific fields.}}

^{_{45. Please arrive on time in order to we will be able to start the meeting punctually.}}

^{_{46. I will finish the book by the time you come tonight.}}

^{_{47. It was such cold that we couldn’t go out.}}

^{_{48. She tried persuading everyone that she was not guilty.}}

^{_{49. I wish my house was as large as John’s.}}

^{_{50. I was not used to bargain when buying something.}}

^{_{51. After spending 2 days arguing about where to go on holidays they decided not going anywhere.}}

^{_{Correct the mistakes in the following sentences}}

^{_{1. To take regular exercise is becoming quite a trend these days.}}

^{_{2. I don’t mind to be interviewed in the street by market researchers}}