Tôi sẽ chỉ ra lỗi sai và sửa chúng như sau:
1. Each of the beautiful cara in the shop was quickly sold to their owner.
=> Each of the beautiful cars in the shop was quickly sold to its owner.
2. It was a six-hours journey; we were completely exhausted when we arrived.
=> It was a six-hour journey; we were completely exhausted when we arrived.
3. I'd like to see him in my office the moment he will arrive.
=> I'd like to see him in my office the moment he arrives.
4. Professor Jones said that a good way to improve your language are learning to practise it.
=> Professor Jones said that a good way to improve your language is to learn to practise it.
5. The basic elements of public-opinion research are interviewers, questionnaires, laboratory equipment, and sampling population.
=> (sửa lỗi chính tả: labulating -> laboratory, ate -> are, to -> of, sampls -> sampling)
6. The twins have the same identical birthmarks on their backs.
=> The twins have identical birthmarks on their backs. (loại bỏ "same")
7. Helen likes to listen to music, to go to the cinema, to chat on the phone and going shopping.
=> Helen likes to listen to music, go to the cinema, chat on the phone, and go shopping.
8. Both Mr. and Mrs. Smith are explaining the children the rules of the game.
=> Both Mr. and Mrs. Smith are explaining the rules of the game to the children.
9. There are such few students that the class has to be cancelled.
=> There are so few students that the class has to be cancelled.
10. Ducks are less susceptible to infection than other types of poultry.
=> (loại bỏ "less")
11. In my opinion, I think that this book is more interesting than the other one.
=> I think that this book is more interesting than the other one.
12. Not only the number of mahogany trees has decreased markedly during the last decade, but other valuable trees are becoming scarcer and scarcer as well.
=> (sửa lỗi chính tả: hat -> has, valuabje -> valuable, tregs -> trees)
13. Of the two cars that the Smiths have, the Plymouth is, without any question, the cheapest to run.
=> (sửa lỗi chính tả: cheac -> cheapest)
14. Coal is the world's most abundant fossil fuel.
=> (loại bỏ "the")
15. The biggest of the three daily meals for most American families is dinner, served about 6.
=> (sửa lỗi chính tả: bigger -> biggest, meale -> meals, dinngr -> dinner, Isrved -> served, ttabouut -> about)
16. The old woman cannot remember the place where she kept her savings.
=> (sửa lỗi chính tả: which -> where)
17. I found my new contact lenses strange at first, but I got used to them in the end.
=> (loại bỏ "strangely")
18. He, as well as the other students, has learnt how to install this electric equipment.
=> (thêm dấu phẩy sau "He")
19. The wood of many pine species makes excellent pulp for the manufacture of paper.
=> (loại bỏ "excellent")
20. It is important that you turn off the heater every morning before you leave for class.
=> (loại bỏ "turned")
21. The children had a difficult time when they began school in their new neighbourhood that their parents decided never to move again.
=> (loại bỏ "such")
22. The lion has long been a symbol of strength and power.
=> (loại bỏ "it is very cruel")
23. Although small, the sitting room is well designed and nicely decorated.
=> (thay thế "However" bằng "Although")
24. It was rude to refuse to help your mother; you should help her.
=> (thêm dấu chấm phẩy sau "mother")
25. Many strong men have been disheartened before such a challenge.
=> (loại bỏ "a")
26. By measuring the color of a star, astronomers can tell how hot it is.
=> (không cần sửa)
27. Grover Cleveland was the only American president to serve two nonconsecutive terms.
=> (thay thế "served" bằng "to serve")
28. The rings of Saturn are so distant that they cannot be seen from Earth without a telescope.
=> (thêm "that" sau "distant")
29. The main goals of primary education are to achieve basic literacy and numeracy among all students.
=> (sửa lỗi chính tả: maior -> main)
30. I passed my exam last summer, but my friend has just failed hers.
=> (thêm "just" và thay thế "her" bằng "hers")
31. We need both whisky and red wine for our wedding party.
=> (loại bỏ "as well as")
32. When the son got bad marks, his mother insisted that he wouldn't go out so much.
=> (thêm dấu phẩy sau "marks")
33. These Japanese cars are all too expensive for us to buy at this time.
=> (thay thế "we" bằng "us")
34. People are not allowed to enter the park after midnight because of a lack of security.
=> (thêm "of a")
35. It's difficult to find other workers who are willing to work such long hours.
=> (loại bỏ "others")
36. Emmy was determined to succeed and finally achieved what she wanted.
=> (thêm "finally")
37. It has been said that lasers are the most miraculous tools to cure patients.
=> (sửa lỗi chính tả: laser -> lasers)
38. I would rather she had stayed at home yesterday.
=> (sửa lỗi chính tả: is -> had, yesterday -> yesterday, và thêm "had" sau "she")