Niagara Falls is a great tourist      drawing millions of visitors from all parts of the world every year．

When I arrived in this country, I had to start learning the language from _____.

She is the only one among the ______ writers who _______ stories for children.

 Health officials have tried to raise _______ about the H1N1 flu among all people.

We can’t afford such an expensive car. You know, our total _____ adds up to no more than $10,000 a year.