—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
—____ my students have a try?
| A．Shall | B．Will | C．Could | D．Should |
This problem may lead to more serious ones if ____ unsolved.
| A．left | B．remained | C．keeping | D．making |
After the professor____out the project made a comment on the report, the media focused on it.
| A．was opposed to carry | B．opposed to carry |
| C．opposed to carrying | D．opposed carrying |
Written in a hurry, ____.How can it be satisfactory?
| A．they find many mistakes in the report |
| B．lots of mistakes have been made in the report |
| C．there are plenty of mistakes in the report |
| D．the report is full of mistakes |
The Internet gives people the chance to have the information they look forward ____ to them quickly and cheaply.
| A．to deliver | B．deliver | C．to delivering | D．to delivered |
The woman pulled her hat low down ____ her eyes in order not to be recognized by the angry crowds.
| A．under | B．over | C．below | D．on |