The American girl has a good          of Chinese and can express herself freely in the language.

According to a UN report, a third of the world population have no ______ to clean drinking water and health care．

 He and his wife are of the same __________; they both want their son to go to college.

-------He says that my new car is a ____________ of money. -------Don’t you think those words are just sour grapes? 

Children are often full of __________ and they take great interest in everything.