--Where is your father?
--He to Australia on business.
| A．has been | B．went | C．has gone | D．will go |
__________ in the school regulations that students should not wear long hair or jewels.
| A．It is required |
| B．What is required |
| C．What requires |
| D．It required |
Teachers required that all the students __________ their homework all alone.
| A．must finish |
| B．would finish |
| C．had to finish |
| D．finish |
We can see monuments here and there. Those who have made a great __________ to human beings and society will never be forgotten.
| A．advance |
| B．progress |
| C．contribution |
| D．achievement |
At proper horse races everyone has already studied the form of the horse __________.
| A．behind time |
| B．in progress |
| C．in advance |
| D．in time |
Some people always take seriously the __________ of the complete globe end in the near future.
| A．celebration |
| B．production |
| C．prediction |
| D．permission |