He had to prepare a speech for graduation.
他必须为毕业准备一个演讲。
He had to prepare a speech for graduation.
要在学校的毕业典礼上演讲。
It usually takes me more than three weeks to prepare a good impromptu speech.
我通常要花上三个星期来准备一场即兴演讲。
It usually take me more than three weeks to prepare a good impromptu speech.
为了准备一则即席的好讲辞，我通常要三个星期以上。
It usually take me more than three weeks to prepare a good impromptu speech.
为了准备一则即席的好讲辞，我通常要三个星期以上。
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