问题描述：
We are _____(luck) to go on a school trip next Sunday\
They decided that they would go to Dalian by air next week (用动词不定式改写）、
They __________________________________________Dalian next week
They decided that they would go to Dalian by air next week (用动词不定式改写）、
They __________________________________________Dalian next week
问题解答：
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