With time going by, we have come to realize that creativity is _______it takes to keep a nation highly competitive.

Believe it or not , that is _____ people call the sixth sense.

 Being determined is a good quality and that’s _____it takes to do anything well.

_______ is known to all is _______ Diaoyu Island is part of China.

One advantage of fishing is ______ it can give you a lot of pleasure.