______, the car stopped all at once.
| A．Seeing a boy lying on the road |
| B．On seeing a boy sitting on the road |
| C．The driver had seen a boy standing on the road |
| D．The minute the driver saw a boy seated on the road |
I think your advice will be forcefully argued by all those who want to see thisbetween two countries end.
| A．conclusion | B．independence |
| C．conflict | D．function |
In Singapore, the policy(政策) on the mother tongue creates favorable conditions for the various minority groups to their cultures from dying out.
| A．defend | B．reserve |
| C．challenge | D．preserve |
The man moved forward and looked over the edge (边缘), shrinking his shoulders.
| A．accurately | B．cautiously |
| C．positively | D．particularly |
When life lets you down and when it seems that your world is ______, take courage and go the next step.
| A．at an end | B．on end |
| C．by the end | D．in the end |
As is known to all language learners, the newly learnt words will soon be forgotten unless ______ used in everyday communication.
| A．gradually | B．loosely |
| C．exactly | D．frequently |