=>
1. Because there was a loud noise to my door last night, I couldn't sleep.
2. Objects as big as a car can be moved by tornadoes.
3. If you didn't behave yourself well, your parents wouldn't be happy.
4. After they had provided food, they cleared up the debris.
5. If I had free time, I could go somewhere.
6. If I knew the answer, I could tell you.
7. If they review them all hard, they will do the test well.
8. The villagers in the raged flood were evacuated to the safe place by the rescue workers last night.
9. Aids will be provided for the homeless people by the students tomorrow.
10. If the people protect the environment now, the environment will be nicer.
11. If they had a map, they wouldn't get lost.
12. Many houses were destroyed in this village by the storm last week.
13. My bicycle has been stolen.
14. Unless he works hard, he will not pass his exam.