根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空一词。
The environment is becoming worse and worse . There are many kinds of pollution that I worry a __. The most serious two are n___
___ pollution and air pollution , because people can’t live h___
___ with polluted air. Animals can’t live in the world , e___
___. More and more people are becoming i___
___because of polluted air .
I think factories should not p_______ dirty water into rivers directly. We’d better go on foot or by bike i___
___of by car . Finally , everyone must pay a___
____ to rubbish pollution . If everyone makes so much rubbish , one day we may live in a world f___
____ of rubbish . How terrible it will be ! We should take a___
___to make our world cleaner and more beautiful
你不在家时，我会照顾孩子们．
While you are not at home，I'll the children．
事实上，晚饭后散步真的是一个让你休闲放松的好方式．
， taking a walk after dinner is really a good way to relax and enjoy yourself．
鲍勃准备长大后当一名NBA 运动员．
Bob is going to be an NBA player when he ．
Students are encouraged to discuss （自由地） about what they think．
At my first art show，a famous professor praised me and （鼓励）me to keep trying and make more wonderful pictures．