Everyone knows, perhaps except you, _______ your girl-friend is a cheat.
| A．who | B．which |
| C．that | D．what |
China has made a promise________ she will try her best to keep the world peace.
| A．what |
| B．that |
| C．which |
| D．whether |
Mary, it's already 7 0'clock I'm afraid there is not much time ________for you to ________ for the ball.
| A．leaving; get dressing |
| B．remaining; get to dress |
| C．remained; get dressed |
| D．left; get dressed |
They arrived at the farmhouse, in front of which________.
A is sitting a boy
B. sat a boy
C. a boy sat
D. a boy is sitting
All possible means ________been taken to prevent the river________．
| A．have;polluting |
| B．has; polluted |
| C．has; from polluted |
| D．have;being polluted |
The government is considering the environment-friendly plan which some scientists would like to see________soon．
| A．to be carried out |
| B．be carried out |
| C．carrying out |
| D．carried out |