________a US visitor visa twice , the young man finally gave up his hope of
going to America to Christmas Day.
| A．Having been refused | B．Being refused |
| C．Having refused | D．To be refused |
________new buildings were going up everywhere in Beijing.
| A．At one time |
| B．At a time |
| C．In no time |
| D．At any time |
Voices were________as the argument between the two taxi drivers became more badtempered.
| A．increased |
| B．repeated |
| C．raised |
| D．developed |
The exhibition gives local artists an opportunity to________their works.
| A．give |
| B．draw |
| C．display |
| D．make |
It's really very dangerous. One more step，________the baby will fall into the well.
| A．or |
| B．so |
| C．but |
| D．and |
The manager has________to improve working conditions in the company.
| A．admitted |
| B．allowed |
| C．permitted |
| D．agreed |