Question

---With 4G 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

Answer 1

A

试题分析：句意：——使用4G手机，人们甚至可以看到他们彼此交谈。——真的吗？请你可以给我展示一下怎么使用它好吗？根据句意可知是怎样使用4G手机，故选A。