问题描述：
请教下面 in the proper order, to the imperial questions.为什么在order后面使用逗号
In fact he knew just about enough French to be able to teach
his young friend the shortest possible answers, in the proper order, to the
imperial questions.
In fact he knew just about enough French to be able to teach
his young friend the shortest possible answers, in the proper order, to the
imperial questions.
问题解答：
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