完形填空。
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.

(     )1. A. much     (     )2. A. as     (     )3. A. living   (     )4. A. give   (     )5. A. take off (     )6. A. save    (     )7. A. use    (     )8. A. at       (     )9. A. inventors (     )10. A. inventing

B. many B. for   B. life     B. to give B. put off B. to save B. make   B. of   B. invent B. invented

C. a lot   C. such as   C. lives   C. to gave   C. put down C. saving   C. using C. in C. invents C. made

D. lot of     D. was like   D. alive       D. give       D. put on     D. saved       D. making     D. on         D. inventions D. making

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