问题：
【题文】 —We can use QQ to communicate with each other online.
—Good. Will you please show me ?
A．which to use
B．how to use it
C．what to use
D．where to use it
【题文】 —We can use QQ to communicate with each other online.
—Good. Will you please show me ?
—Good. Will you please show me ?
| A．which to use | B．how to use it |
| C．what to use | D．where to use it |
参考答案：