Mỗi câu sau trong 4 đáp án A, B , C , D có 1 lỗi sai . Hãy tìm và sửa lại cho đúng. 31. Many people prefer taking part in sports than watching them. A B C D 32. My father has less days off than Tim’s father. A B C D 33. Three days ago, The Browns go for a picnic in the country. A B C D 34. You look tired. You’d better stay inside on recess. A B C D 35. We have English classes in Monday, Wednesday and Friday. A B C D 36. Da Nang is one of the biggest city in Viet Nam. A B C D 37. Nga is a keen student and she studies very hardly before tests. A B C D 38. Tuan is the more intelligent student in our class. A B C D 39.My father always has a lot of houseworks to do. A B C D 40. My brother doesn't like durians, and I don't like them, too. A B C D