21. In the year 2010 Yushu earthquake struck on April 14, 2010，_____ came as ___great shock to
all of our Chinese.
A. That；a B. which； a C. what； a D. which ； 不填
22. ------It’s cloudy outside. Please take an umbrella.
------__________.
A. Yes, take it easy B. Well, it just depends.
C. Ok, just in case D. All right, you’re welcome
23. Our parents as well as teachers often encourage us students to have _______to do something
beneficial for our country.
A. decision B. ambition C. plan D. project
