to make a chocolate cake,we need…… to make a chocolate cake 用什么提问?to make a chocolate cake,we need…… 画线:to make a chocolate cake 用什么提问?

问题描述:

to make a chocolate cake,we need…… to make a chocolate cake 用什么提问?
to make a chocolate cake,we need……
画线:to make a chocolate cake
用什么提问?

What

What do you need ...for?
Why do you need ...