1. New devices have been invented to help people live a longer life by scientists.

2. If I had enough time, I could go on holiday this summer.

3. In spite of having a broken leg, the man tried to save his wife.

4. If I knew the answer, I could tell you.

5. If they review them all hard, they will do the test well.

6. The villagers in the raged flood were evacuated to the safe place by the rescue workers last night.

7. Aids will be provided mode the homeless people by the students tomorrow.

8. If the people protect the environment now, the environment will be nice.

9. If they had a map, they would not get lost.

10. Many houses in this village were destroyed by the storm last week.