The government has taken some measures to solve the shortage of electricity, but it may be some time ____________ the situation improves.
| A．since | B．when | C．unless | D．before |
I would like a job which pays more, but __________ I enjoy the work I'm doing at the moment.
| A．in other words | B．on the other hand |
| C．for one thing | D．as a matter of fact |
Is there an agreement __________ how much aid will be sent?
| A．with | B．in |
| C．on | D．by |
We will work __________ those who have cheated in the exam and help them do right.
| A．off | B．on |
| C．at | D．with |
The hall began to fill up with people __________.
| A．by and by | B．sooner or later |
| C．little by little | D．all in all |
_________ is known to all that he can't answer the question __________ he found the money.
| A．As; how | B．That; why |
| C．What; where | D．It; when |