| 根据短文内容，用方框里所给词的适当形式填空。 | |
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| One day, the great French scientist Andre Marie Ampere went on his way to give a lecture. He was thinking about an 1 as he was going along a river. He 2 a stone and put it into his pocket. Suddenly he thought out a way to 3 his experiment. He was so 4 that he threw what he thought was a "stone" in his pocket 5 the river. Later when he wanted to look at the 6 , he searched his pocket for the watch. But what he finally 7 out from his pocket was not a watch but the stone. |