In autumn, _________ the weather is often cool and fine, people living in the city always like climbing hills for outdoor activities to strengthen their health．
| A．which | B．where | C．as | D．when |
In order to finish the work on time, we can't __________ to waste a single minute.
| A．afford |
| B．admit |
| C．offer |
| D．manage |
__________ in her office for nearly 20 hours, she is going home to have a rest.
| A．To work |
| B．Working |
| C．To have worked |
| D．Having worked |
Thanks for your help, otherwise we would have __________ the game！
| A．won |
| B．beaten |
| C．lost |
| D．missed |
Jane __________ Betty is going abroad, so they help each other to prepare for the test.
| A．as well |
| B．as well as |
| C．and |
| D．also |
There were nearly 3,000__________ in the concert hall.
| A．audiences |
| B．audience |
| C．customers |
| D．customer |