year after year , tigers are becoming fewer and fewer .
| A．Having been killed | B．Killing | C．Killed | D．Having killed |
The simple joy of reading is something we take for granted. But many people have had to _____ this pleasure because of poor eyesight.
| A．give in | B．give off | C．give out | D．give up |
Please make sure the light will _____ if no one is in the room.
| A．turn off | B．put out | C．take away | D．go out |
It is a pity that the quarrel _____ their friendship.
| A．broke up | B．put down | C．gave up | D．took away |
---Will you walk a little faster?
---I was afraid you could not _____ .
| A．walk up | B．go up | C．keep up | D．catch up |
Our teachers promised to attend our class meeting, but they haven’t ____ yet.
| A．turned up | B．turned out | C．reached | D．turned over |