It is only 6.7% of Korean students _____ have ever read Chinese books or watch Chinese TV programs.
| A．which | B．whoever | C．that | D．what |
—Did Jack come back early last night?
—Yes. It was not yet eight o'clock __________ he arrived home.
| A．before |
| B．when |
| C．that |
| D．until |
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 |