----WecanuseMSNtocommunicatewitheachotheronline.----Goo...

问题详情：

----We can use MSN to communicate with each other online.

----Good! Will you please show me         it?

    A. what to use         B. how to use      C. when to use           D. where to use

【回答】

B

知识点：非谓语动词

题型：选择题