—She looks very happy. She ______ have passed the exam.
—I guess so. It’s not difficult after all.
| A．should | B．could | C．must | D．might |
For a moment nothing happened. Then all shouting together.
| A．voices had come | B．came voices |
| C．voices would come | D．did voices come |
The police ________ Tom of stealing and the accused was afraid to meet the accuser.
| A．accused | B．charged | C．robbed | D．informed |
He found them _____ at a table ____ chess.
| A．sat; to play | B．sitting; to play | C．seated; playing | D．seat; playing |
More and more high－rise buildings have been built in big cities space.
| A．in search of | B．in place of | C．for lack of | D．for fear of |
He is _____ careless a student that he often _____ some letters while writing.
| A．such; leaves on | B．so; leaves off | C．so; leaves out | D．such; leaves out |