. I don’t smoke now, but I ____for almost ten years.
| A．ever smoked | B．have ever smoked |
| C．had ever smoked | D．was ever smoking |
Although he was in poor health , Robert succeeded ______ other more famous engineers failed.
| A．which | B．that | C．what | D．where |
Even if the treatment _____, there’s still no magic pill for patients in the late stage of AIDS.
| A．does | B．performs | C．works | D．runs |
I’m afraid we can’t come, but thanks for the invitation_________.
| A．otherwise | B．somehow | C．anyway | D．therefore |
Dr. Peter Spence, ______ headmaster of the school , told us , “______ fifth of pupils here go on to study at Oxford and Cambridge.”
| A．不填；A | B．不填；The | C．the; The | D．a; A |
------Do you want another piece of cake ?
------______.
| A．I don’t think so | B．No way |
| C．Not at tall | D．I wouldn’t say no. |