a written permission, he had to write another letter to the president of the university.
| A．Not giving | B．Not having been given |
| C．Having not given | D．Having not been given |
-Goodbye, John. Come back again sometime.
-Sure. __________.
| A．I did |
| B．I do |
| C．I shall |
| D．I will |
-Mr. Gorden asked me to remind you of the meeting this afternoon. Don't you forget it!
-OK, I __________.
| A．won't |
| B．don't |
| C．will |
| D．do |
__________，I think, and the problem could be settled.
| A．A bit more effort |
| B．So long as you keep up your spirits |
| C．If you doubt your efforts |
| D．Making great efforts |
__________，I believe, and you will find Tom is very outgoing.
| A．Having a talk with the student |
| B．Given a talk with the student |
| C．One talk with the student |
| D．If you have a talk with the student |
__________ everything to go wrong in advance, and you won't feel quite down when it does.
| A．Having expected |
| B．Expect |
| C．To expect |
| D．Expecting |