I am delighted as chairman of the students，union last winter.
| A．to appoint | B．to be appointed |
| C．to have appointed | D．to have been appointed |
—Why do you look worried?
—Fred left the company half an hour ago. His work ________ unfinished since.
| A．left | B．was left | C．has left | D．has been left |
She ought to stop working; she has a headache because she ________ too long.
| A．has been reading | B．had read | C．is reading | D．read |
When I called you this morning, nobody answered the phone. Where ________?
| A．did you go | B．have you gone | C．were you | D．had you been |
—Did Alan enjoy seeing his old friends yesterday?
—Yes, he did. He ________ his old friends for a long time.
| A．didn’t see | B．wouldn’t see | C．hasn’t seen | D．hadn’t seen |
—Will you go to the park now?
—Not until I ________ my physics exercises.
| A．will finish | B．have finished |
| C．will have finished | D．had finished |