–With3Gmobilephones,peoplecanevenseeeachotherastheytal...

問題詳情：

 –With 3G mobile phones, people can even see each other as they talk.

 –Really? Would you show me      it, please?

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

【回答】

A

知識點：非謂語動詞

題型：選擇題