________twice a year，whether it is a car or a bus or a truck，is the rule that every driver must obey in this city.
| A．Examining |
| B．Examined |
| C．Being examined |
| D．Having been examined |
It was quite right for Yuan Longping to think that________was to have more rice and produce it more quickly.
| A．the key to feeding people |
| B．the key to feed people |
| C．the key of feeding people |
| D．the key of feed people |
The broadcasting station________last night that a typhoon was approaching.
| A．declared |
| B．announced |
| C．printed |
| D．published |
Every hour in the morning CCTV________the latest news in Yugoslavia(南斯拉夫)．
| A．announced |
| B．broadcast |
| C．reported |
| D．published |
His parents died when he was very young; so he has________by his grandmother.
| A．been brought up |
| B．grown up |
| C．taken up |
| D．picked up |
If children are badly________， they behave badly.
| A．brought in |
| B．brought up |
| C．brought about |
| D．brought back |