9．
用方框中所给短语的适当形式填空
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drive
it around put them back more than
first prize stop inventing
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Lonnie Johnson always took things apart (分开). He sometimestogether.
Other times he made new things from different parts. He learned how to use
tools from his dad.
When he was young, Lonnie put an old engine
(发动机) on a homemade go-cart. He loved.
He dreamed of being an inventor. In high
school, Lonnie built a remote-control robot from some waste things. This won
hisat the Alabama science fair. His friends
called him "The Little Scientist". In college, Lonnie was an
excellent student. After that, he became an Air Force officer, a rocket
scientist and a business leader, but he never.
You may have played with his most famous invention—the Super Soaker, a kind of
water gun. Lonnie got the idea for this toy when working on another invention.
When he tested a homemade part in his bathroom, it shot water across the room.
Today, Dr Lonnie Johnson has100
useful inventions. However, he still keeps trying new things.
