完形填空。
Newton (牛顿) was a great English scientist. He was one of the greatest    1    in history. One
morning he got up early and began    2    on a difficult problem. It was time to have breakfast, but he
was thinking    3   the problem. Her servant, Mary brought a pan of water and egg to his room. She
was going to boil (煮) the egg for him. But Newton wanted to do by    4    . He said to Mary, "Please
put the egg on the table. I'll boil    5    ."
Mary put the egg beside Newton's watch on the table and    6   , "Boil the egg for only four minutes
and it'll be    7    . "Then quickly she walked out of the room. Mary was afraid Newton would    8    to
boil the egg. She went to his room again half an hour later. What did she    9   ? Newton was standing by
the pan, having the   10   in his hand. He had put the watch in the pan and was boiling it .
(     )1. A. woman
(     )2. A. work
(     )3. A. ∕
(     )4. A. itself
(     )5. A. one
(     )6. A. said
(     )7. A. free
(     )8. A. forget
(     )9. A. look
(     )10. A. pen

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