问题描述：
求英语句子找错
不要求改正 只要告诉我为什么错了.
1.Among the dicoveries made possible by the invention of the telescope they found that dark spots existed on the Sun in varying numbers.
为什么“they found”错了?
2.Norwegian writer Sigrid Undset is like the novelist Sir Walter Scott in her use of historical backgrounds,but unlike his books,she dwells on the psychological aspects of her characters.
为什么“his books”错了?
不要求改正 只要告诉我为什么错了.
1.Among the dicoveries made possible by the invention of the telescope they found that dark spots existed on the Sun in varying numbers.
为什么“they found”错了?
2.Norwegian writer Sigrid Undset is like the novelist Sir Walter Scott in her use of historical backgrounds,but unlike his books,she dwells on the psychological aspects of her characters.
为什么“his books”错了?
问题解答：
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