________ the opportunity to speak at the graduation ceremony made him overjoyed.
| A．Being offered | B．To offer |
| C．Having offered | D．Offered |
—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 |
Studying alone, you are free to choose what to learn and when, ________ you don’t need others’ agreement.
| A．while | B．if | C．though | D．As |