Finding information in today’s world is easy. The ______ is how you can tell if the information you get is useful or not.
The artist made up his mind to devote all he could his English before going abroad.
A new ________ bus service to Yangzhou-taizhou Airport started to operate two months ago.
Doctor Wang, who ____ western medicine for six years in New York, is now working in a famous hospital in Shanghai.
We have no idea what ____ the sports exercises will have _____ human body in the future.
In the time of economic crisis, every coin _________ a lot.