To prevent this from happening again, John Snow suggested that the source of all the water supplies __________.
Zhengzhou University has move to a new site in the western suburbs,its original one.
— busy homework ,the children also have to take arts, music and sports classes in their free time. — I wonder what they will become.
One of the most important questions the government had to consider was _____ of public health.
No matter how I tried to read it , the sentence didn’t to me .
So the man left France, ______ to give up the fortune that would one day come to him, ______ to live in England.