Salaries are much higher here than ______ in my city. 

．--- Wow, so many new houses! I can’t believe that. It used to be a poor village. --- Yes._____has changed here.

_______ is important for us to learn English well.

Clothing made of man-made fibers has certain advantages over ______ made of natural fibers like cotton，wool or silk.

It’s impossible for all the people to get jobs because ______of them is not fit for them.