单项选择题
A. The play was the first he’d seen. B. The play wasn’t too bad. C. He hasn’t seen the play yet. D. He wants to see the play again.
A. Begging food from the tourists. B. Attacking the tourists. C. Dropping wastes on the tourists. D. Making loud noise to disturb the tourists.
A. Effects of obesity on people’s health. B. The link between lifestyle and obesity. C. New explanations for the obesity epidemic. D. Possible ways to combat the obesity epidemic.