问题描述：
want sth后是for还是on
例如：圣诞节她想要什么礼物?
是want present does she want for christmas?
还是want present does she want on christmas?
例如：圣诞节她想要什么礼物?
是want present does she want for christmas?
还是want present does she want on christmas?
问题解答：
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