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

2 câu trả lời

1C

2C

3D

4D

5B

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`1.` C. had just left

- When + simple past, + past perfect

- Diễn tả hành động xảy ra và hoàn tất trước hành động mà được miêu tả

`2.` C. was having

- When + present simple, + past continuous

- Diễn tả một hành động đang xảy ra thì một hành động khác xen vào

`3.` D. were driving

- Cấu trúc như câu 2

`4.` D. had opened

`5.` B. have made

- Thì HTHT - DHNB: for a long time

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