Small computers need small amount of power, _____ means you use less electricity.
| A．what | B．that | C．which | D．as |
The possibility of a murder _____, the police have set about looking for the clues to her suicide.
| A．to be ruled out | B．to rule out |
| C．having ruled out | D．having been ruled out |
—Mike, our team will play against the Rockets this weekend. I am sure we will win.
—______！
| A．Congratulations | B．Cheers |
| C．Never mind | D．Good luck |
Little Tom tiptoed quietly to the bird, but ______ into the forest when he was about to catch it.
| A．flew it away | B．away flew it |
| C．away it flew | D．flew away it |
I went to see Professor Johnson, only ______ that he had left the city the night before.
| A．to learn | B．learn |
| C．learned | D．learning |
Joining the firm as a clerk, Peter got rapid promotion, and ______ as a manager.
| A．turned up | B．brought up |
| C．ended up | D．showed up |