It was not yet midnight _____ a stranger asked for a ferry service and promi
sed an extra fare.
a. while b. until c. when d. that
---____ do you go to the movies?
--- Once a week.
| A．How long | B．How much | C． How soon | D．How often |
It should bethat the civil servant should be dismissed for the drunk driving．
| A．out of control | B．out of practice | C．out of place | D．out of question |
What I want toto teenagers is that being addicted to the Internet will to some extent do harm to both mental and physical health．
| A．get off | B．get through | C．get across | D．get down |
If someone has toan action or policy, they are responsible for it, and may be required to explain it to other people or be punished if it fails．
| A．account for | B．make up | C．focus on | D．pay off |
One way to species under' threat of extinction - whatever the cause - is to remove them to zoos and parks and breed them there．
| A．betray | B．resist | C．preserve | D．dispute |