Answer:

3. Mr. Brown wants to use solar energy but he does not have enough money to buy necessary equipment.

4. By the time Shakespeare died in 1616, he had written more than 37 plays.

5. Since Douglas fell off his bicycle last week, he has had to use crutches to walk

6. I had turned off the lights before I left the room.

7. The other passengers will get on the bus soon as soon as we'll leave

8. Susan chews her nails whenever she feels nervous

9. The frying pan caught on fire while I was making dinner.

10.I wont return my book to the library until I have finished my research project.

# Chúc bạn học tốt nhó ^^

II.

1. Bạn làm rồi

2. Bạn làm rồi

3. Mr. Brown wants to use solar energy but he does not have enough money to buy necessary equipment.

4. By the time Shakespeare died in 1616, he had written more than 37 plays.

5. Since Douglas fell off his bicycle last week, he has had to use crutches to walk

6. I had turned off the lights before I left the room.

7. The other passengers will get on the bus soon as soon as we'll leave

8. Susan chews her nails whenever she feels nervous

9. The frying pan caught on fire while I was making dinner.

10. I wont return my book to the library until I have finished my research project.

O(∩_∩)O