Every means , but none proved .
| A．have tried; a success | B．have been tried; successful |
| C．has tried; to be successful | D．has been tried; successful |
—English has a large vocabulary, hasn’t it?
—Yes. _____more words and expressions and you will find it easier to read and communicate.
| A．Known | B．Knowing |
| C．To know | D．Know |
Student loan is supposed to provide financial support for people who would ________ not be able to go to college.
| A．otherwise | B．meanwhile |
| C．therefore | D．nevertheless |
—Do you know why Jeff resigned from the firm?
—He held out for higher wages, but was _____ in the end.
| A．put down | B．broke down |
| C．cut down | D．turned down |
Testing should not be limited to _________students learn from textbooks, but should include how to use that knowledge.
| A．that | B．all |
| C．what | D．which |
China is not only ________ engine for world's economic growth, but also _______ role model for other developing countries.
| A．an, the | B．the;an |
| C．the, the | D．an；a |