Rewrite these sentences
----- Nội dung ảnh -----
```
4. While John was riding to school, an accident happened.
5. While my prents were working on the farm, they heard a very loud strange noise.
6. She saw an alien. She was eating sushi.
7. While he was having lunch, they arrived.
8. I was watching TV at 8 o’clock yesterday. Suddenly, the doorbell rang.
9. I was walking home. I saw an object like a UFO in the sky.
10. Having complete the test, John handed it in and left.
11. She’s going to have a talk show on the weekend.
```
```
4. While John was riding to school, an accident happened.
5. While my prents were working on the farm, they heard a very loud strange noise.
6. She saw an alien. She was eating sushi.
7. While he was having lunch, they arrived.
8. I was watching TV at 8 o’clock yesterday. Suddenly, the doorbell rang.
9. I was walking home. I saw an object like a UFO in the sky.
10. Having complete the test, John handed it in and left.
11. She’s going to have a talk show on the weekend.
```