英语翻译
问题描述：
英语翻译
许多警察被派出去寻找那些失踪的孩子(search for)
她把所有的热水都用光了（use up)
我们必须马上采取措施来减少城市污染（take measures to do)
我希望他成为钢琴家的梦想可以成为现实（come true)
答
many policemen were asked to search for the missing children.
she had used up the hot water
We must take immediate measures to reduce urban pollution
I hope his pianist's dream can come true