I like getting up very early in summer. The morning air is so good ______.
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
They are trying to find a new way to __________ the spread of AIDS.
| A．keep |
| B．delay |
| C．catch |
| D．arrest |
They will have you __________ if you don't pay taxes, because it is everyone's duty to pay taxes.
| A．arrest |
| B．arrested |
| C．to be arrested |
| D．being arrested |
She was __________ for helping the murderer to escape.
| A．searched |
| B．brought |
| C．arrested |
| D．caught |
There are so many viruses on the Internet. If __________ accidentally, the viruses may make your computer break down.
| A．downloading |
| B．to be downloaded |
| C．downloaded |
| D．being downloaded |
If I ruled the world, I would __________ the world __________ everything that is bad.
| A．get rid of; by |
| B．be rid of; by |
| C．rid; of |
| D．get rid; of |