The boy preferred __________ at home to __________ outside.
| A．staying； playing |
| B．staying； play |
| C．to stay ； play |
| D．to stay ； playing |
We have just heard a warning on the radio ________ an earthquake is likely to strike that area again.
| A．which | B．what | C．that | D．when |
Stand over there ________ you’ll be able to see it better.
| A．or | B．while | C．but | D．and |
— Have you moved into the new house?
— Not yet. The rooms ________.
| A．are painting | B．are being painted |
| C．are painted | D．are being painting |
Living on Mars isn’t ________ as it sounds.
| A．as strange an idea | B．as idea strange |
| C．as a strange idea | D．as an idea strange |
Visitors ________ take an animal or any other item prohibited by the Expo Bureau to the Expo Park.
| A．needn’t | B．may not | C．mustn’t | D．will not |