— Why are the four students so happy?
—______ in the science competition, they are awarded prize money totaling $ 20,000．
| A．Judged the best | B．Judging the best |
| C．To be judged the best | D．Having judged the best |
“Would you like tea _____ coffee？” “_____, thanks.”
| A．or, No | B．and, Either |
| C．or, Neither | D．and, Each |
“_____ when does the pub stay open？” “About midnight.”
| A．Since | B．Before |
| C．Until | D．After |
“Shall we stop for lunch _____ shall we drive on？” “Let’s stop for lunch, but the driver can’t drink _____ drive.”
| A．and, and | B．or, or |
| C．and, or | D．or, and |
After they had each said a few words, _____ Lloyd George took the floor.
| A．and | B．so |
| C．or | D．不填 |
Just before I left London, _____ I sent him a telegram.
| A．and | B．so |
| C．or | D．不填 |