we would be able to communicate with each other bu using mobile phone./ we will be able to communicate with each other bu using mobile phone.请问哪个句子正确?为什么?

问题描述:

we would be able to communicate with each other bu using mobile phone./ we will be able to communicate with each other bu using mobile phone.请问哪个句子正确?为什么?

第一个,不过bu要改为by.