Let's have some take—away food instead.（改为同意句）_______ _______ have some take—away food instead?

Let's have some take—away food instead.（改为同意句）_______ _______ have some take—away food instead?
Let's have some take—away food instead.（改为同意句）
_______ _______ have some take—away food instead?

Let's have some take—away food instead.（改为同意句）_______ _______ have some take—away food instead?
【How about】have some take away food instead?

what about have some take—away food instead？

Shall we

应该是Shall we, what about 或how about 后面一般是加动词ing形式。

Shall we
shall we do sth. ... 我们做...., 好吗？
咱们还是叫一些外卖，好吗？