The speech contest will begin with a short presentation followed by a question-and-answer session when audience members will be chosen _______ in order to be fair.
| A．in general | B．by chance |
| C．on purpose | D．at random |
The shop was not far from here, so they went there on foot __________ by bus.
| A．instead | B．instead of |
| C．more than | D．than |
We will do it ourselves __________ asking others to help.
| A．instead of | B．instead |
| C．but | D．however |
Briggs will __________ as general manager when Mitchell retires.
| A．get away | B．take over |
| C．set off | D．run out |
Rod loves __________ clocks. However, he never manages to put them together again.
| A．taking apart | B．giving away |
| C．making up | D．turning off |
When you need money or anything else, don't hesitate __________ me for help.
| A．in asking | B．to ask |
| C．asking | D．to asking |