—Oh, dear. What happened?
—I __________ on the shiny floor and fell.
| A．skipped |
| B．jumped |
| C．attacked |
| D．slipped |
I found them ______ at a table, _______ in thought.
| A．seated; losing | B．seated; lost | C．seating ; losing | D．seating; lost |
In class, the students are __________ in the teacher’s words.
| A．losing | B．absorbed | C．attracted | D．addicted |
When she heard the strange news, a ____ look _____ on her face.
| A．puzzling; appearing | B．puzzled; appeared |
| C．puzzling; appeared | D．puzzled; appearing |
The reasonhe made such kind of mistakes is that he has had no _______ experience of this kind of job.
| A．whether; previous | B．which; before | C．why; previous | D．that; before |
His health _____ under the too much pressure of work.
| A．broke down | B．broke in | C．broke up | D．broke out |