.She was such a stubborn person that she would die ____she would admit she was wrong.
| A．when | B．until | C．after | D．before |
My father ________the shopkeeper 400 yuan for that new bike.
| A．asked |
| B．charged |
| C．sold |
| D．offered |
Tickets are ______free of charge from the school.
| A．available |
| B．convenient |
| C．familiar |
| D．favourite |
Tom put his heart into the wildlife research，and finally，his efforts ______him great success and fame.
| A．saved |
| B．earned |
| C．made |
| D．offered |
Excuse me，sir. Can you ________me to the post office?
| A．approach |
| B．direct |
| C．carry |
| D．tell |
In our class，when the bell rang and the teacher closed his book，it was a ________for everyone to stand up.
| A．signal |
| B．chance |
| C．mark |
| D．measure |