đề bài Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the ollowing questions ----- Nội dung dịch tự động từ ảnh ----- Question 37: Jenny. "Was Linda asleep when you came home?" Jack: "No. She TV." A watched B. had watched C. was watching D, has been watching Question 38: My grandfather retired from work last month. He for the same company for 40 years. A. was working B. had been working C. has worked D. had worked Question 39:_ __TV for the last four hours? Turn it off and get some exercise. A. Do you watch B. Are you watching C. Did you watch Question 40: Mr. Nam D. Have you been watching in the army from 1970 to 1980. A. has served B., had been serving C. had served D. served Question 41: For the last 20 years, we significant changes in the world of science and technology. A. witness B. have witnessed C. witnessed D. are witnessing