Why not try your luck downtown, Bob? That’s __________ the best jobs are.
—Really ? Who will give ____lecture ? What is it about ?—Professor Chen , _____ president of Beijing University . About pollution .
The soldier was ____of running away when the enemy attached.
—How do you ____ to her unkindly behavior? —Only silence. Which of the following is wrong?
---He was nearly drowned in a pool. ---Oh, when was ___ exactly? --- It was in 1983 ____ he was swimming with his friends.
He is _______ a good teacher. He is also his students' good friend.