About 3.000 Chinese students will go to universities in America this year, plus 200 who _____ earlier for graduate and postgraduate studies.
| A．admit | B．are admitted |
| C．have been admitted | D．had been admitted |
Only latelyabout the dark secrets behind the seemingly-happy marriage of the golf star Tiger Woods.
| A．the public have known | B．were the public known |
| C．have the public known | D．the public knew |
Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.
| A．frequently | B．significantly | C．steadily | D．consequently |
Comparison may make something appear more beautiful than it is when ______ alone.
| A．to see | B．seeing | C．is seen | D．seen |
Jessica has always been honest and straightforward, and it doesn’t matter ______ that she’s talking to.
| A．who is it | B．who it is | C．it is who | D．it is whom |
——John always thinks of others instead of himself.
—— So he does. It is _______ of him to want to help others.
| A．aggressive | B．conventional | C．evident | D．typical |