Reagan was elected ___ of the United States in 1981.
| A．a president | B．president | C．the president | D．as president |
Because he failed to pay his bill, the company __________ his electricity.
| A．cut off | B．cut out | C．cut up | D．cut down |
"Long time no see" is __________ sort of informal. But it is part of __________ language that Americans use daily.
A. the; a B. a; the C. /; the D a; a
Your suggestion sounds interesting, but they need a (n) __________ one to get out of the mess.
| A．impressive | B．traditional | C．practical | D．similar |
The headmaster has retired but no one knows who will __________ him in the post.
| A．follow | B．succeed | C．remove | D．achieve |
Progress __________ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |