The university is saving $ 300,000 per year by its energy ______ efforts.
| A．consumption | B．conservation |
| C．suspension | D．prohibition |
Here is the tower, ______ top you can have a good view of the whole city.
| A．from whose | B．from its | C．over whose | D．whose |
This house is that one．
| A．three times bigger as | B．three times as big |
| C．three times big as | D．three times bigger than |
—Well．Randy is not quite ready to make a decision yet．
—So，，we have to wait，right?
| A．on the other hand | B．in other words |
C．for example | D．in some ways |
--- What did the professor tell you to do?
--- I had to write a ________ report.
| A．three-thousand words | B．three thousands word |
C．three-thousand-word | D．three-thousand-words |
To my surprise, the so-called “cheap” restaurant was ___ I expected.
| A．as expensive as twice | B．as twice expensive as | C．expensive as twice as | D．twice as expensive as |