why the problem of pollution befalls human beings这句为什么不是why do the problem of pollution befall human beingswhy 不是要加一般疑问句么~这句为什么加陈述句?那正式写作中可以怎么用么？

the problem of 翻译 THE PROBLEM OF CHINA怎么样 statement of the problem是什么意思 statement of the problem是什么意思 confrontation of the problem是什么意思 why the problem of pollution befalls human beings这句为什么不是why do the problem of pollution befall human beingswhy 不是要加一般疑问句么~这句为什么加陈述句?那正式写作中可以怎么用么？ 连词成句 first,to,the,why,know,we,need,to,anomals,problem,is,protect1.first,to,the,why,know,we,need,to,anomals,problem,is,protect (.)_______________________________________________.2.nice,that,of,is very,you (.)___________________.3.grow,people,b the biggest problem in the world and why? the raising of the problem翻译 fix the problem中的fix是什么意思?Why has no one bothered to fix the problem? Wash the hands of problem啥意思 No one has yet succeeded in explaining the ___ of how life began.A.problem;B cause ;C,reason D,puzzle,why? the problem now is that i have lots of problem【】 to ask是problem还是problems Can be used to solve the problem of money is not problem,problem Can be used to solve the problem of money is not problem,problem是什么意思? The girl was unaware of the importance of the problem.The girl ___ ____ the importance of the problem the solution of the problem和the solution to the problem哪个对? The b___ problem of the world is the interesting population