【题目】falling stairs the are down apples the (.)
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【答案】The apples are falling down the stairs.
【解析】
falling down掉下，the stairs楼梯，are是，the apples苹果，由句末标点句号可知句子是陈述句，根据词义可连成句子：苹果正从楼梯上掉下来。故答案为The apples are falling down the stairs.
