第二部分：英语知识运用（共两节，满分45分）
第一节：单项填空（共15小题，每小题1分，满分15分）
21.The scientist ____that there would be a rainstorm the next week, and it did happen
A. predicted B. varied C. observed D. debated
22._____ we move the picture over there? Do you think it’ll look better?
A. Until B. What about C. As long as D. What if
