38. How ______ since we ______ school? A. will you / left B. are you / left C. have you been / had left D. have you been / left 39. When I last ___________ Jane, she ____________ to find a job. A. have seen/ tried B. saw/ tried C. see/ is trying D. saw/ was trying 40. Next week when there ______ a full moon, the ocean tides will be higher. A. is B. will be C. is being D. will have been 41. I sat near a window whenever I ______ a bus. A. have taken B. had took C. took D. take 42. When I last saw him, he _________in London. A. is living B. was living C. has lived D. has been living 43. We ________________Mary since last Saturday. A. don't see B. hadn't seen C. didn't see D. haven't seen 44. The train __________________haft an hour ago. A. has left B. had left C. left D. has been leaving 45. By Christmas, I ________________for Mr. Smith for six years. A. shall have been working B. shall be working C. shall work D. have been working 46. I'll come and see you before I ____________for HCM City. A. will leave B. shall leave C. have left D. leave 47. Jack ___________ the door. A. has just opened B. opening C. open D. will have opened 48. By the age of 25, he ________________two famous novels. A. had written B. has written C. writes D. wrote 49. After I ____________lunch, I looked for my bag. A. have had B. had had C. had D. was having 50. The man got out of the car, ______round to the back and opened the door. A. walk B. walking C. walks D. walked 51. Before you asked, the letter ________________. A. has been written B. was written C. had been written D. had written 52. I ______________in Hanoi before I moved to HCM City. A. had been living B. had lived C. have lived D. have been living