Chọn và giải thích cách làm giúp em với CHOOSE THE BEST ANSWER : 1. I was late. When I arrived at the station, the train _______ . A. was just leaving B. has just left C. had just left D. just left 2. I ______dinner when Harry came in. A. am having B. had C. was having D. have had 3. “Did you notice anything while you ________ home last night?” A. drive B. are driving C. drove D. were driving 4. The most modern underground line is the Jubilee line, which _____ in 1997. A. was opening B. opening C. opened D. had opened 5. The Chinese ____ spaghetti dishes for a long time before Marco Polo brought it back to Italy. A. were making B. have made C. had made D. make