一、单项填空：在A、B、C、D四个选项中，选出可以填入空白处的最佳选项。(本大题共15分，每小题1分)
1. Avatar（阿凡达）is such _______ wonderful science fiction movie that I want to see it _______ second time.
A. a, the B. a, a C. /, the D. /, a
2. ---How much homework has your cousin finished?
--- _______ at all. He has sat there the whole morning, doing _______.
A. None; n othing B. Nothing; none C. No one, nothing D. nothing; none
3. What do you think _______ if the car _______?
A. can we do, is broken down B. can we do, breaks down
C. we can do, breaks down D. we can do, is broken down
