Why do we say the world will be short of water in the future?

Why do we say the world will be short of water in the future? Why do we say that a river is very Why do we say the world will be short of water in the future?答案要附中文 why do they say Francais is the most beautiful language? why do we say that meaning of a sentence is not the sum total of the meaning of all its components胡壮麟语言学第四版 why do you say that Why do you say that? Why do you say that? why do you say so? why do not we go to the zoo togeter ( )a wo hope to see you there b good luck c that is good idea d best wishes to you do you remember the things we used to say? why do we say morning exercises are good for our health?请问怎么回答 英语翻译Why do we children go to school every day?You may say that we go to school to learn Chinese,math and many other subject.Yes,it's true.But do you know why we should learn all these things?Do we learn all the things at school?The answer is Some people say,We learn more outside class. Do you agree?Why or why not?怎么用英语回答 Why do people say the library is the highest building in the world? Why do we not go to the beach instead? WHY WE DO NOT HAVE THE RIGHT OF FREE SPEAKING! why shall we say thank you?