We should do our best to prepare ____ （介词)（为 ...... 做准备) the final exam.
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The teacher informed his students ____ （介词)（通知某人某事) the coming final exam.
He （) （not want) （请调整为合适的形式)to teach you.
Should he study hard, he （) （may go) （请调整为合适的形式)to college.
（) （suppose的合适形式)（假如)you couldn't pass the exam, what would you do？ to school.
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