Bài `1:`

1. had posted the letter -  realised - had written

2. had been 

3. had already been walking

4. was walking - thought - had spent 

5. had invited

6. had finished - started 

7. had been calling

8. had already made - rose

9. had been driving

10. arrived - had already left

Bài `2:`

1. had heard

2. had already written

3. got

4. was travelling

5. reached

6. had invented

7. imagined

8. became

9. were enjoying

10. was thinking

Bài 1: Chia động từ trong ngoặc ở thì quá khứ đơn hoặc quá khứ hoàn thành
1. After I ______had post_____ the letter, I ____realised________ that I _______had written__________
the wrong address on it. (POST, REALISE, WRITE)
2. John asked me where I _____had been_____________ the day before. (BE)
3. At this time yesterday, we _______had already walked_______________ for 6 km. (ALREADY WALK)
4. When I ______was walking________ through the streets of Madrid, I _________thought______ about the magnificent time I ______had spent__________ there as a student. (WALK, THINK, SPEND)
5. It was the first time that she ________has invited__________ me to dinner. (INVITE)
6. As soon as the maid ______had finished_____________ scrubbing the kitchen floor, she _______started______
working in the garden. (FINISH, START)
7. We started to worry about Jimmy because we ________had called________ him all afternoon.
(CALL)
8. They ______had already made______ their way out of town before the sun ________rose_______.
(ALREADY MAKE, RISE)
9. We ________had driven_______ for two hours when we finally got to our hotel. (DRIVE)
10. When I ________arrived________ home, I saw that the children __________had left_____.
(ARRIVE, LEAVE)
Bài 2: Hoàn thành đoạn văn sau bằng cách chia động từ ở chỗ trống
Until a few years ago, no one 1.. ……heard……. (hear) of Harry Potter, the young wizard and hero of the children’s book Harry Potter and the Philosopher’s Stone. The writer, J K Rowling, 2. ……had already written….. (already / write) several stories and books, but this was the first book that was published. She 3. ..…got… (get) the idea for the story of a wizard at magic school while she 4. ……was traveling…. (travel) on a train to London. By the time the train 5. ……reached…… (reach) King’s Cross station, she 6. ……had invented… (invent) most of the characters. When the book was published in 1997, no one 7. ………imagined……… (imagine) it would be such a tremendous success, but it quickly 8….became.(become) a bestseller. While millions of young readers in many countries 9. ……were enjoying… (enjoy) her first Harry Potter book, J K Rowling 10. ……… was thinking…………… (think) of ideas for the next book in this incredibly popular series.