The population of Henan___________ very fast.—I agree. The populationproblem may be one of the most serious ones today.

generally believe that women are more emotionalthan men, but in my experience that often is not the______

from the opening and closing ceremonies and somekey matches, ticket price will be____to ordinary people.

Li Lei can ______ English. But his brother can’t.

What does the symbol “<” mean —It means “______”.