Gerunds. Change the sentences using gerunds as subjects.

1. It is advisable to visit the dentist twice a year.

2. It is nice to be here.

3. It is interesting to fly in a  helicopter.

4. It is fun to dance.

5. It is hard to get a job in that company.

6. It is scary to drive at 140 mph.

7. It is bad for your health to smoke.

8. It is good to exercise.