---My uncle goes to climb Mount Tai every year. ---Oh, really? He __________ climbing mountains.
I usually watch game shows on weekends because they are_______ interesting.
_______ I work with my classmates after school.
There are many supermarkets in this town, but we think this is _______ of all.
We are very _______ that many students use the Internet every day.
--Did you buy anything on your vacation? --Yes, I bought _______ for my parents.