WHEN HE WAS A BOY AT SCHOOL, EDISON ASKED A LOT OF QUESTIONS. THE T...

2. When he was a boy at school, Edison asked a lot of questions. The teacher (a.think) ... he (b.be) ... stupid and she (c. send) ... him home. Edison’s mother (d. teach) ... her son athome and he (e.begin) ... to carry out a lot of experiments. He (f. earn) ... money for hisexperiments by (g. garden) ... . Later he (h. work ) ... on a train and continued(i.experiment) ... there. Unfortunately, in one of his experiments, he (j. set) ... fire to the train.