A small plane crashed into a hillside five miles east of the city, _____all four people on board.
| A．killed | B．killing |
| C．kills | D．to kill |
The foreign guests ,____ by some artists , came out of the hall .
| A．following | B．to follow | C．followed | D．to be followed |
______ is know to all, china will be an________ and powerful country in 20 or 30 year’ time.
| A．That, advancing | B．This, advanced | C．As, advanced | D．It, advanced |
When I went in , they were ____ in a heated discussion .
| A．absorb | B．absorbed | C．absorbing | D．being absorbed |
The ________ for tonight’s talk is protecting the environmet.
| A．title | B．subject | C．news | D．theme |
You can't camp________you like these days. Many natural areas are now under protection.
| A．whichever | B．wherever | C．what | D．when |