The rising house price and the high income tax rate have become the biggest ______ of the ordinary people in China today．

— They have discussed the problem for hours.  — Have they come to any_____?

My morning_____includes jogging in the park and reading newspapers over breakfast.

Peter is a brilliant language leaner. Within two weeks, he has developed a good _______ of Chinese and Japanese. 

___ speak Germany and ___ speak English.