Listen and fill in the blank with a suitable word

1. was thought to be one of the great mysteries of nature.

2. Ancient people thought that lightning and .. were the .. of God.

3. Benjamin Franklin, an American scientist and statesman, was the first to find the connection between ......

4. In order to protect buildings from damage by lightning, Benjamin Franklin invented the first in 1752.

5. Scientists estimate that there are about .. flashes of lightning every year.

6. The safest place to be in of an electrical .. is in a .. car.

7. Outside, one should go to low ground and not . trees.

8. Inside a house, people should avoid doorways and .. and not touch or .. things.

Listen to the recording twice, fill in the blank with a suitable word