what kind of后加什么？

We asked her to describe what kind of things she did in her spare time

我们请她描述一下她业余时间都在做什么。

Decide at the outset what kind of learning programme you want to follow

开始时就选定自己的'学习方案。

The jury is still out on what kind of solutions we might undertake.

尚未确定我们可能采取何种解决办法。

'I'm a writer.' — 'You don't say. What kind of book are you writing?'

“我是作家。”——“不会吧。你写哪方面的书？”

My, what kind of talk is this?

吁！是何言欤！