问题描述：
are you free tonight 间接引语
Killy asked his friend:"Are you free tonight?" 改为间接引语
Killy asked his friend if he ______ that night.
一格一词
Killy asked his friend:"Are you free tonight?" 改为间接引语
Killy asked his friend if he ______ that night.
一格一词
问题解答：
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