Teachers required that all the students ___ their homework all alone.
| A．must finish | B． would finish | C．had to finish | D．finish |
I did not accept any of the many offerings, because I found satisfactory.
| A．neither of them | B．none of them | C．either of them | D．all of them not |
Nearly a month had gone by they showed some sign of giving up the price for which they had held out.
| A．until | B．while | C．before | D．so that |
In the years , the city government will take effective measures to bring the price of the house under control.
| A．following | B．followed | C．follow | D．to follow |
. According to some doctors, one of the ways to prevent us from growing old is to make sure
that our brains get enough___.
| A．performance | B．exercise | C．experience | D．sport |
We are faced with the necessity to recognize that having more people implies a lower standard of living.
| A．readily | B．smoothly | C．unavoidably | D．deliberately |