I became a student ten years. I have been a student 1996. I have studied here about 10 years. A. ago, since, for B. ago ,for ,since C. ago, before, for D ago, in, after
—Few well-known singers came to the concert,did they?
---__________.Such as Xijun Liu,Jay Chou and Kristy Zhang.
A.No,they didn’t. B.Yes,they did. C.No,they did. Dyes,they didn’t.