More and more people come to visit Mount Danxia.—That’s true. It has become the ______ of Guangdong province.

How many students are there in your class—There are forty-five students. One third of them are girls. ________ are boys.

Some drivers drive _____fast that they make people ______ are trying to cross the road afraid.

When did you last year ______ Bossimi?—You must make a mistake I have never _____ such a person.

With the stress heavier, physicians arealways ______ caution upon citizens in view of heart attack.