SOLUTIONS TO TEXT PROBLEMS:Quick Quizzes1. The four principles of economic decisionmaking are: (1) people face tradeoffs; (2) the cost of something is what you give up to get it; (3
英语3复习资料Unit11. The manager promid that I could ________ some of my chocolate for the shoes I wanted.A. changeB. substituteC. tradeD. bill2. It’s a very popular play, so it will be wi to ________ s