Thomas Edison wore 1 caps during his life, 2 thinking caps, the caps of many famous schools and colleges. But the most important cap was his thinking cap. It had saved his mother’s 3 . One day when he was a boy his mother fell ill. The doctor wanted 4 her an operation (手术). But the light in the room was not bright. Edison quickly 5 his thinking cap and he found a way 6 his mother. Edison was good at 7 his hands and his head. He was the most interested 8 electricity. We can see his 9 everywhere because they are very common. They were 10 by Edison’s thinking cap.
A.much B.many C.a lot D.lot of
A.as B.for C.such as D.was like
A.living B.life C.lives D.alive
A.give B.to give C.to gave D.give
A.take off B.put off C.put down D.put on
A.save B.to save C.saving D.saved
A.use B.make C.using D.making
A.at B.of C.in D.on
A.inventors B.invent C.invents D.inventions
A.inventing B.invented C.made D.making