问题补充:
---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
答案:
A. which to use
(答案→)B. how to use it
C. what to use
D. where to use it
解析:考查疑问词+不定式的用法。“我们可以用QQ来在线交流。”“很好。你能教我怎样使用吗?”A“用哪一个”;B“怎样使用它”;C“用什么”;D“去哪里使用它”。How“怎样......”。故选B。