单项选择题
A．suggestion B．advice C．medicine D．prescription
A. No, I didn’t B. How about Monday C. I had a very nice weekend D. What about you E. Sort of F. I feel tired today G. That sounds like a fun H. I bet you studied
A．too much food and water in the body B．a lack of oxygen in the blood C．seeing or thinking about food D．a lack of certain chemicals in the blood