The fact that so many people still smoke in public places________ that we may need a nationwide campaign ________ awareness of the risks of smoking.
| A．suggest; raise | B．suggests: raising |
| C．suggest; raised | D．suggests; to raise |
_____ basic first-aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known | C．Knowing | D．Being known |
Mary worked here as a ____ secretary and ended up getting a full-time job with the company.
| A．pessimistic | B．temporary | C．previous | D．cautious |
As the world’s population continues to grow, the ___of food becomes more and more of a concern.
| A．worth | B．supply | C．package | D．list |
—Pardon？Who will come?
—________.
| A．The friend of Mr. Green’s |
| B． A friend of a teacher’s |
| C．The aunt of Tom’s |
| D． A cousin of my father’s |
One way to understand thousands of new words is to gain ________ good knowledge of basic word formation.
| A．不填 | B．the |
| C．a | D．one |