When ________ questions in class, one should answer them as clearly as possible.
| A．asking | B．to ask | C．to be asked | D．asked |
__________ middle school, Wang Wei and I have dreamed about taking a great bike trip.
| A．From | B．After | C．Ever since | D．Over |
On AIDS Day, the minister of Health Department demanded that the problems__________ paid special attention to.
| A．referred to being | B．referred to be | C．refer to being | D．refer to be |
It has been reported that some government leaders ________their authority and position to get illegal profits for themselves.
| A．overlook | B．employ | C．abandon | D．abuse |
___________ giving a general introduction to computers, the course also provides practical experience.
| A．In addition to | B．Except for | C．In exchange for | D．Due to |
The police set about arresting the suspect ______ they found enough evidence to prove him guilty.
| A．immediate | B．as long as | C．the moment | D．as far as |