Question

---We car, use QQ to talk with each other on the Internet.

---Really? Will you please show me ______ it?

1. A.
   what to use
2. B.
   how to use
3. C.
   how can I use
4. D.
   what can I use

Answer 1

B
本题考查疑问词+不定式作宾语，选项C和D不符合要求；根据题意，应为怎样使用它，所以选how to use it。