问题描述：
When she was five years old,she chould ride the bike(同意句转换）
＿＿ ＿＿ ＿＿ ＿＿5,she could ride the bike.
＿＿ ＿＿ ＿＿ ＿＿5,she could ride the bike.
问题解答：
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问题描述：
问题解答：
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