let's __ a.fishing b.do some reading c.making a phone call 选什么?...

问题描述:

let's __ a.fishing b.do some reading c.making a phone call 选什么?...
let's __
a.fishing b.do some reading c.making a phone call 选什么?为什么?

选b
let's=let us
let sb. do sth.是固定搭配,如果是let's go__,那么就选AC,用的多了就记住了