根据句意和汉语注释，在标有题号的横线上写出单词的正确形式。

1.Xu Song, a 27-year –old young man , is_____________(认为) as a talented singer .

2.We are having a party to celebrate Betty’ s               （二十）birthday.

3.—Dad, perhaps you can buy an iPhone.

— What bad __________ (建议)it is! You know I only support Chinese products.

4.— Do you know the Chang’e -3 moon rover（登月车）Yutu landed on the moon_____________（成功）?

—Of course ! We are really proud of that!

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 1.__. The most serious two are n___2.___ pollution and air pollution , because people can’t live h___3.___ with polluted air. Animals can’t live in the world , e___4.___. More and more people are becoming i___5.___because of  polluted air .

I think factories should not p___6.____ dirty water into rivers directly. We’d better go on foot or by bike i___7.___of by car . Finally , everyone must pay a___8.____ to rubbish pollution . If everyone makes so much rubbish , one day we may live in a world f___9.____ of rubbish . How terrible it will be ! We should take a___10.___to make our world cleaner and more beautiful