– I’m sorry I stepped on your toe; it was an accident.
– It wasn’t! You did it ______.
| A．by accident | B．at present |
| C．on purpose | D．at dusk |
It’s reported that the United States uses______ energy as the whole of Europe.
| A．as twice | B．twice much |
| C．twice much as | D．twice as much |
The rare fish,_____ from the cooking pot, has been returned to the sea.
| A．saved | B．saving | C．to be saved | D．having saved |
----- I’m taking my driving test tomorrow.
----- _____!
| A．Cheers | B．Good luck | C．Come on | D．Congratulations |
Some insects_____ the colour of their surroundings (环境) to protect themselves.
| A．take up | B．take off | C．take on | D．take out |
_____ is known to everybody, the moon travels round the earth once every month.
| A．It | B．As | C．That | D．What |