That such a great number of families are still so badly off greatly ______ the researchers.
| A．puzzle | B．confuse | C．disturb ed | D．astonishes |
It was _______ a dangerous drug ______ he nearly died.
| A．so; that | B．such; that | C．so; because | D．such; because |
Students should be encouraged to use _________ Internet as _________ resource.
| A．不填；a | B．不填; the | C．the; the | D．the; a |
When it comes to job interviews, first ________________ including the way you speak and dress, are extremely important.
| A．impressions | B．appointments | C．assignments | D．considerations |
The chairman thought necessary to invite Professor Smith to speak at the meeting.
| A．that | B．this | C．it | D．which |
The ability _____ an idea is as important as the idea itself
| A．to express | B．expressed | C．expressing | D．to cover |