第一节 单项选择 (共20分)
1. —Must I finish my homework right now?
—No, you .
A. needn’t B. may not C. mustn’t D. can’t
2. When we got to Yushu airport , we were told that they 废墟) by earthquake.more than 500 people from the ruins(
A. has saved B. saved C. had saved D. have saved
