let's do it by ourselves 完成反意疑问句

let's do it by ourselves 完成反意疑问句
let's do it by ourselves 完成反意疑问句

let's do it by ourselves 完成反意疑问句
let's do it by ourselves ,shall we?

Let's do it by ourselves ,shall we?
Let us do it by ourselves , will you?

let's开头的祈使句改成反意疑问句，都用shall we