—_________is very interesting to swim in the river in summer,but it’s dangerous.
A. This B. That C. It D. He
Vegetables are good our health, so we should eat them every day.
A. at B. for C. in D. with
— do you go to the movies?
—Hardly ever.
A. How long B. How often
C. How many times D. How soon
If you eat chocolate, maybe you’ll be fatter（更胖的）.
A. too much B. much too
C. too many D. so many
— You look tired, you should have a good rest for _______ days.
— That sounds good.
A. a few B. few C. little D. a little
—______are you staying there?
—Just for two days.
A. How long B. When
C. How often D. How many
