Even more widespread _______ the copying of music and the pirating of software, especially with the development of new computer programs.
—An ant has two stomachs—one for itself, one for others. —Really? Quite interesting. I ________ anything about it.
Noise is unpleasant, ________ when you are trying to sleep.
—Was ________ problem solved?—We were trying to think of ________ way out, but it was difficult to find one.
The couple have decided to________buying a car until their economic condition becomes much better.
________Chinese culture with overseas cultures is a challenging job, but you will learn a lot from it.