Distinguished guests and friends, welcome to our school, the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad.
.(辽宁卷26). Doctors say that exercise is important for health, but it _______ be regular exercise.
. I_______ have watched that movie —it’ll give me horrible dreams.
(陕西卷23). ----May I take this book out of the reading room? ----No, you . You read it in here.
.(四川卷3). —I take the book out? —I'm afraid not.
(天津卷9). Mark _______ have hurried. After driving at top speed, he arrived half an hour early.