The computer system ______ suddenly while he was searching for information.
| A．broke down | B．broke out |
| C．broke up | D．broke in |
It will cost a lot of time. __________I think we shall need it and it will certainly be useful to us more or less.
| A．What’s more | B．As a result | C．On the other hand | D．After all |
If I hadn’t wasted so much money last year, I __________ my own apartment now.
| A．need have | B．would have | C．can have had | D．must have had |
It can’t be a(n) __________that another big fire broke out in the same restaurant in three months.
| A．accident | B．incident | C．chance | D．coincidence |
Our school forbid __________, that is to say, we are not allowed __________at school.
| A．to smoke; to smoke | B．smoking; smoking |
| C．smoking; to smoke | D．to smoke; smoking |
Mrs. Smith has been teaching in a school since she graduated, so she is not __________ to associating with business people.
| A．addicted | B．devoted | C．admitted | D．accustomed |