--- I’ve got your invitation. --- Oh, good. ______
| A．Thanks a lot | B．Can you come? | C．I’ll take it | D．May I help you? |
David was very unhappy for ____ to the party which was held in his cousin’s house.
| A．having not been invited | B．not having invited |
| C．not having been invited | D．having not invited |
Jim has ____ the time he spends surfing the Internet in order to study hard in this new term.
| A．cut down | B．broken down |
| C．cut up | D．broken up |
We must apply what we have learned to our daily work because in no case _____ from practice.
| A．should theory separate |
| B．should theory be separated |
| C．theory should separate |
| D．theory should be separated |
We can never expect _____ bluer sky unless we create _____ less polluted world.
| A．a, a | B．a, the | C．the, a | D．the, the |
--I feel so upset. I’m afraid my company will be closed because of the terrible economic crisis.
--______! Things are not so bad as they seem.
| A．Go ahead | B．Good luck |
| C．No problem | D．Cheer up |