Even though the workers were not satisfied, they _____ to the boss finally.
| A．gave up | B．gave in | C．gave out | D．gave away |
______ is of great importance now , my teacher often reminds me ,is study.
| A．It | B． As | C．What | D．Which |
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 |