----- Nội dung dịch tự động từ ảnh ----- IV. GRAMMARAND STRUCTURE Identify the one underlin ed word or phrase - A, B. C or D- that must be changed for the sentence to be correct. 31. It was an extremely frightened experience in my life. A B C D 32. Mark went on working despite he felt unwell. B C D 33. Frank is usually swimming before work, but this morning he is jogging. в с 34. Once when 1 was ten. I used to get sick and went to the hospital. A A D А В D 35. As soon as the alarm clock had gone off, she woke up and go out of bed. A 36. All the children have been returned safe to their parents. B CD 37. I know you're too busy to stay, but I look forward to see you again. B 38. Have you forgotten to lock the back door frequently? A А C D A в с D 39. I like lying on the beach, so I always spend my holiday to sunbath. A B D 40. The bank lent us money for a down payment, so now we owned the house we used to rent. D A B C