of the household garbage recycled or reused since the new technology was applied.
| A．Three-fourth; has | B．Three-fourths; have |
| C．Three-fourths; has been | D．Three-fourth; have been |
Only when it is hungry____attack a human being.
| A．a lion will | B．did a lion | C．will a lion | D．do a lion |
He is a good student,and works very hard;____.
| A．so it is with her | B．so does she | C．so is she | D．neither does she |
.Seldom____any mistakes during my past few years of working there.
| A．would I make | B．have I made | C．I did make | D．shall I make |
Little____about what others think.
| A．he cares | B．he doesn’t care | C．does he care | D．doesn’t he care |
Not a single word____last night.
| A．he said | B．said he | C．did he say | D．had he said |