7Use the correct form of the verb in brackets. Read and learn about
one of the greatest inventors.
1. One of the greatest American inventors Thomas A. Edison
(be) born in 1847.
2. At age ten, he (build) a laboratory in his house.
3. At age 23, he (make) a telegraphic machine and (sell)
it for much money.
4. He (work) day and night.
5. He (sleep) very little
6. He (invent) fire alarms, the battery, the phonograph and the light bulb.
7. Edison (die) in 1931.
8. He (have) 1.300 inventions,​