Section A
Directions: Beneath each of the following sentences there are 4 choices marked A, B, C and D. Choose one answer that best completes the sentence.
21. ______ China we’ll see in the year 2015 will be quite ______ different country from what it is now.
A. 不填; a B. The; a C. The; the D. 不填; 不填
22. It is possible that ______ 2030, cars and airplanes will run on the new fuel.
A. by B. on C. until D. at
