Jingdezhen is _____most beautiful city with _____long history of porcelain-making in    the world..

The girl got into _____ panic when she heard ______ frightening news.

The education of        young is always        hot and serious topic.

Dela had made up his mind to give it up ,but on _____ second thought ,he determined to try ______ third time．

-- We had         really smoggy December this year.
--- I can’t remember         winter when air was polluted so severely.

Jack left ________ message for me, saying he was in ________ trouble.

It will be ___ wonderful world if all nations live in ___ peace with each other.               

--- Would you mind giving your advice on how to improve our efficiency?
--- If you make      most of forty-five minutes classes day after day, there will be       
_______ switch in grades.

The website is very popular. And it’s amazing that __________ designer of it is just __________ nine-year-old child.