The kitchen curtains are easy to get dirty, and they require ___at least once a week.
| A．wash | B．washed |
| C．washing | D．to wash |
-Hi, Terry, can I use your computer for a while this afternoon?
-Sorry. _______.
| A．It's repaired |
| B．It has been repaired |
| C．It's being repaired |
| D．It had been repaired |
My sister wants to work in that tall building which ______still _______.
| A．is; to be built |
| B．is, building |
| C．is; being built |
| D．has been; built |
-Why do you come to work on foot today?
-Well, my bike _______ and I hate taking a crowded bus.
| A．has been repaired |
| B．is repairing |
| C．will be repaired |
| D．is being repaired |
-Some measures have been taken to prevent the environment from being destroyed.
-Yes. And the wildlife in this area _______.
| A．are under protection |
| B．is under the protection |
| C．is being protected |
| D．are being protected |
The church tower which will be open to tourists soon. The work is almostfinished. (2010 .上海)
| A．has restored |
| B．has been restored |
| C．is restoring |
| D．is being restored |