The U.S. cargo ship captain taken captive by Somali pirates _______ recently without injury after days of painful experience.
| A．was freed | B．has been freed |
| C．had been freed | D．is freed |
The writer and professor, whom I often refer to at the meetings, ____ famous for those works.
| A．is | B．are | C．am | D．were |
She spent as much time as she could _____ over her lessons.
| A．go | B．to go | C．going | D．went |
How about the rest of us _____ a meeting after dinner？
| A．will have | B．have | C．to have | D．having |
The blackboard was wiped _____ .
| A．clean | B．cleaned | C．cleanly | D．to be cleaned |
The students are _____ to hand in the exercises before class.
| A．wished | B．hoped | C．enjoyed | D．promised |