根据短文内容,用方框内所给的单词的适当形式填入短文空格内,使短文意思正确、通顺,每词限用一次(每空一词)。并将所选单词填写在对话后面的横线上。
how, safe, thank, play , be, invent , no, so , interest, ask
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Thomas Edison was a great American
.________. When he was a child, he was always
.________ questions and trying out new ideas. No matter
.________hard it was, he never gave up.Young Tom was in school for only three months. His teacher didn’t understand why he had
.________many strange questions. Most of them were not about his lessons. The teacher didn’t want to teach Tom any
.________. He asked Tom’s mother to take the boy home. Tom’s mother taught him to read and write, and she found him to
.________ a very good pupil. He learnt very fast and became very
.________ in science.
One day , he saw a little boy
.________ on the railway tracks at a station. A train was coming near quickly, and the boy was too frightened to move. Edison rushed out and carried the boy to
.________. The boy’s father was so
.________ that he taught Edison to send messages by telegraph.