An old professor was giving a lecture,so our class teacher asked us ______so much noise.
| A．Don't make |
| B．not make |
| C．not making |
| D．not to make |
—Tom, how forgetful you are! I found you left your key in the keyhole this morning.
—Oh, dear! _______.
| A．So had I | B．So I had | C．So did I | D．So I did |
I wish to thank Professor Smith, without ______ help I would never have got this far.
| A．who | B．whose | C．whom | D．which |
—Amy, please tell the people ______ for their turns to come to my office five minutes later.
— Yes, sir.
| A．wait | B．waited | C．waiting | D．to wait |
The organizers promised ______ won the first prize would have a chance to go abroad.
| A．who | B．whom | C．whomever | D．whoever |
Three suspects ________ in the terrorist attack inKunminghave been caught.
| A．involved | B．to involve | C．being involved | D．involving |