Giải thích các bước giải:

4)

1: Why was Joe laughing?

2: What were Tina and Rosie doing?

3: What was Fiona wearing?

4: Where were Eric and Gred going?

5: Why was the dog barking?

6: What were you reading?

7: Who was Brian calling?

8: Why was she crying?

5)

1: Were you shouting

2: was using

3: Were you doing

4: Were you sleeping

5: weren't sleeping

6: were sitting

7: Lisa was talking

8: wasn't listening

9: was reading

10: Was Sam going

11: was running

12: was playing

6)

1: While Rex was sleeping in front of the fire, Felix was eating from his bowl.

2: While Joanna was having a bath, her sister was reading her diary.

3: While you were studying for your exam, I was doing a puzzle.

4: While Ian was relaxing in the garden, Jason was washing the car.

5: While they were talking, I was listening to my new CD.

6: While we were having breakfast, Dad was getting ready for work.

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Chúc cậu học tốt!!!

4) 1. Why was Joe laughing? 2. What were Tina and Rosie doing? 3. What was Fiona wearing? 4. Where were Eric and Gred going? 5. Why was the dog barking? 6. What were you reading? 7. Who was Brian calling? 8. Why was she crying? 5) 1. were you shouting 2. was using 3. were you doing 4. Were you sleeping 5. weren't sleeping 6. were sitting 7. Lisa was talking 8. wasn't listening 9. was reading 10. was Sam going 11. was running 12. was playing 6) 1. While Rex was sleeping in front of the fire, Felix was eating from his bowl. 2. While Joanna was having a bath, her sister was reading her diary. 3. While you were studying for your exam, I was doing a puzzle. 4. While Ian was relaxing in the garden, Jason was washing the car. 5. While they were talking, I was listening to my new CD. 6. While we were having breakfast, Dad was getting ready for work.