--- How many concerts ____ up to now?
--- About 25. Last night we ____ our biggest one.
| A．did you play, have had | B．have you played, had |
| C．had you played, have had | D．do you play, have had |
We must apply what we have learned to our daily work because in no case _____ from practice.
| A．should theory separate | B．should theory be separated |
| C．theory should separate | D．theory should be separated |
—Why do you look so worried?
—My computer broke down and my essay ______ unfinished since.
| A．was left | B．has left | C．left | D．has been left |
Nowadays teachers tend to be more dependent on ________ is thought to be a great teaching aid—the computer.
| A．that | B．which | C．what | D．As |
_______ from Milan Trenc’s novel, the film Night at the Museum brings to life a world
where dinosaurs wander the earth.
| A．Adapted | B．Adapting | C．Having adapted | D．To be adapted |
The patient will have to remain in hospital for another week ____ the recent medical report.
| A．on behalf of | B．on the basis of | C．on the side of | D．on top of |