_____ to finish this composition in such a short time is a mystery.
| A．How did he manage | B．What did he manage |
| C．How he managed | D．What he managed |
—It sounds to me as if he knows a lot about computers.
—He is a person who is fond of________.
| A．showing up | B．making up |
| C．showing off | D．making out |
________ true events, the film follows the life of Ali, a world famous boxer in the US.
| A．Being based on | B．Basing on |
| C．Based on | D．Having based on |
The building, _________ roof was damaged in the big fire, is actually a small hospital.
| A．where | B．whose | C．which | D．that |
Now that the weather is so bad, the sports meet ___________ .
| A．is to put off | B．is put off | C．is to be put off | D．will put off |
Those children don’t have to ____________ learn , for they always work hard voluntarily.
| A．make to | B．be made | C．make them | D．be made to |