选择正确的答语。 ( ) 1. What do you do after supper? ( ) 2. What colour are the leaves? ( ) 3. What is exercise? ( ) 4. How many minutes do you play basketball every day? ( ) 5. How often do you eat donuts? A. About twenty minutes. B. Twice a week. C. I do my homework after supper. D. They are green. E. Playing ping-pong is exercise