单项选择题
—Do you mind if I use your computer for a while? —（）.
A.No,go ahead B.Yes,please C.Of course,please D.Sure,go ahead
单项选择题 He did come to my class every week,but his eyes（）he wasn’t interested in the subject.
单项选择题 Helen（）her husband since ten years ago.Now they are living a happy life.
单项选择题 （）made Tom’s father very excited was the news（）his son was admitted into Nanjing University.
