填空题
A. I’m doing great. B. yes. I’m pretty busy lately. C. It’s still early. D. They are fine, thank you. E. I think so. F. My pleasure. G. She is mad. H. You didn’t have to do it.
A. It affects the growth of trees. B. It has been increasing since the Ice Age. C. It is determined by the chemicals in the air. D. It follows a certain cycle.
A.time B.money C.wealth D.life