—Really ? Who will give ____lecture ? What is it about ?
—Professor Chen , _____ president of Beijing University . About pollution .
| A．the ;a | B．the;/ | C．a ; the | D．a ;/ |
The young lady _____a cry of surprise when she saw something strange moving in the dark.
| A．gave off | B．made out | C．sent out | D．let out |
Had it been possible I would have gone to the movies but I _____ busy.
| A．had been | B．am | C．was | D．would be |
_____ your advice, I would have had no trouble with my papers.
| A．Had I followed | B．If I followed | C．If I have followed | D．Once I followed |
You’d better not bring your small son along, for this party is _____for only adults.
| A．available | B．approachable | C．automatic | D．appropriate |
People wrote letters to get in touch.Nowadays email has _____the way people communicate.
| A．conveyed | B．translated | C．transformed | D．exchanged |