Much to our _____, China won 51 gold medals, more than any other nation, at the 2008 Beijing Olympic Games. 

Though this kind of _______ has some _______, it is good enough for construction(建筑).

----How do you like our city? ----It has changed beyond all _____ in the past 20 years, a completely new one in front of me.

It is said that dogs will keep you _________for as long as you want when you are feeling lonely．

Most graduates in big cities are suffering form       connected to soaring house prices and job hunting.