b. will start c. start d. shall start

题目24

--____I put my coat here? --Sorry, you ______. 选择一项：

a. May; can't b. May; mustn't c. Do; don't d. can; needn't

题目25

You ____ buy some reference books when you go to college. 选择一项：

a. must

b. will have to c. have to d. must to