）中国无疑已经在国际事务中起到了越来越重要的作用.（play a role）医生们总是告诫我们说维生素药片不能取代均衡膳食.（substitute）迄今为止,许多地区的人们仍未意识到空气污染的危害.（recognize）他去书市买了很多特价书.（pick up）冲入燃烧的房子里去救双胞胎姐妹的那名消防员牺牲了.（sacrifice）

China in international affairs has undoubtedly played an incr
easingly important role in
Doctors always warned us that vitamin pills can not replace a balanced diet
So far, many people have not yet aware of the hazards of air pollution
He Book Fair to buy a lot of Te Jiashu
Rushed into the burning house Qujiu twin sister of the firemen sacrificed

Doubtlessly China has been playing an increasingly important role in the international affairs.
Doctors always warn us that vitamin pills can not substitute balanced diets.
So far people of many regions still have not recognize the danger of air pollution.
He picked up many books on sales in the book fair.
The fire fighter, who dashed into the burning house and saved the twin sisters was sacrificed.

1.China in international affairs has undoubtedly played an increasingly important role.
2.Doctors always warned us that vitamin pills can not substitute a balanced diet.
3.So far, people in many partshas not yet recognize the harm of the air pollution.
4.He picked up lots of books wchih at a sale.
5.The firemen who rushed into the burning house to save the twin sister had sacrificed.

1.China in international affairs has undoubtedly played an increasingly important role.
2.Doctors always warned us that vitamin pills can not replace a balanced diet.
3.So far, people in many parts of the air pollution has not yet aware of the harm.
4.He picked up many Specials books in the bookshop.
5.The firemen rushed into the burning house to help twin sister was sacrificed.

Doutelessly,China has played a more and more important role in the international affairs.Doctors always warn us that the Vitamin pills cannot substitute balanced diet.Until now,people in many areas ha...

1.Doutlessly,China plays a more and more important role in international activities.
2.Doctors always warn us that vitamine pills can't be substitute of a balanced diet
3.By now, people from many district haven't recognized the harm of air pollution
4.He picked up a lot of cheap books in the book market
5.The fireman who rushed into the house on fire to save the twin girl sacrificed