The girl spent all her time she had________ others.
When we got to Yushu airport , we were told that they more than 500 people from the ruins(废墟) by earthquake. A. has saved B. saved C. had saved
—Must I finish my homework right now?—No, you . A. needn’t B. may not C. mustn’t
The new-designed car is on show now. I wonder _____.
Since we ________ our homework now. Let’s have a rest.
The sports meeting ________ twice a year in our school.