I. Choose the best answer among A, B, C, or D. 23. I couldn’t cut the grass because the lawn mower ______ a few days previously. A. broke down B. has been broken C. had broken down D. breaks down 24. I have never played badminton before. This is the first time I _____ to play. A. try B. tried C. have tried D. am trying 25. Since _______, I have heard nothing from him. A. he had left B. he left C. he has left D. he was left 26. After I _______ lunch, I looked for my bag. A. had B. had had C. have has D. have had 28. The man got out of the car, ________ round to the back and opened the book. A. walking B. walked C. walks D. walk 30. He will take the dog out for a walk as soon as he ______ dinner. A. finish B. finishes C. will finish D. finishing 31 Ask her to come and see me when she _______ her work. A. finish B. has finished C. finished D. finishing 32. Tom and Mary ______ for Vietnam tomorrow. A. leave B. are leaving C. leaving D. are left 33. He always ________ for a walk in the evening. A. go B. is going C. goes D. going 34. Her brother ______ in Canada at present. A. working B. works C. is working D. work