Question

【题目】 — We can use QQ to talk with each other online.

— Really? Could you please show me _______ it?

A. what to do B. how to do

C. when to do D. why to do

Answer 1

【答案】B

【解析】试题句意：--我们能用QQ在线彼此聊天。--真的？你可以给我演示下怎么做吗？A. what to do做什么；B. how to do it怎么做，C. when to do什么时候做，D. why to do为什么做。这是一个含有疑问词的不定式。

据题意，故选B。