--YoucanuseMSNtotalkwithVivienontheInternet. ---Iknow.B...

问题详情：

-- You can use MSN to talk with Vivien on the Internet.

  --- I know. But can you tell me ________?

  A. when I can use it                                     B. what I can use it

C. why can I use it                                       D. how can I use it

【回答】

A

知识点：宾语从句

题型：选择题