（2012辽宁卷）One of our rules is that every student wear school uniform while at school.
| A． might | B． could | C． shall | D． will |
—Really? Who will give _________ lecture?
— Mr. Wang, ________ professor from Nanjing University.
| A．the; 不填 | B．a; the | C．the; a | D．a; a |
This problem is said_____ three times at the meeting. However, they haven’t arrived at a conclusion now.
| A．to have discussed | B．to have been discussed |
| C．having been discussed | D．having discussed |
At present there is a fierce debate over the question_______ human cloning should be allowed.
| A．that | B．whether | C．what | D．if |
You have taken a hell of a risk and suffered a great deal, but you should believe it will ____sooner or later.
| A．pay back | B．pay up | C．pay off | D．pay down |
Li Ming was often late for school, ______made our head teacher feel very angry.
| A．when | B．that | C．as | D．which |