Because of noise pollution many airports_________

The quality of many people’s lives has become worse in some ____ because of technological progress.

Many a problem has ______ because of poor planning.A．arisenB．risenC．raisedD．aroused

Many restaurants have stopped using trans fats because they may______.A．pollute hydrogenat

Because of many mistakes she was made______these letters again.A.typeB.to typingC.typedD.

Because of the reduction of air pollution this city now is a good place ______.A.to live

Many commercials begin with a cheerful song of some kind because ______.A.pop songs attrac