All the machines stopped _____ with the electricity _____ throughout the factory.
| A．working; cut through | B．to work; cut down |
| C．working; cut off | D．to work; cut up |
It has been announced that all the students ____ put on masks before going to school in case they are infected with SARS virus.
| A．shall | B．will | C．need | D．may |
Pressed from his parents, and _____ that he has wasted too much time, the boy is determined to stop playing video games.
| A．realizing | B．realized | C．to realize | D．being realized |
Lydia doesn’t feel like _____ abroad. Her parents are old.
| A．study | B．studying | C．studied | D．to study |
A new study indicates that basic steps taken by people daily can go a long way in ____ the greenhouse gas emission.
| A．cutting down | B．taking down |
| C．pulling down | D．breaking down |
—Did you call on any of your old friends when you returned to your hometown?
—_______ of them. They were all very busy.
| A．Nobody | B．None | C．Both | D．Neither |