问题描述：
同意句转换 一个英语句子只需填空
原句：At the age of four ,she began to lear dancing.
改为同意：She began to learn dancing ____ ____ ____ _____.
原句：At the age of four ,she began to lear dancing.
改为同意：She began to learn dancing ____ ____ ____ _____.
问题解答：
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