how引導的是什麼從句

I'll show you how to load the software.

我給你演示一下如何裝入這套軟件。

Now let me see ─ how old is she now?

讓我想一想，她現在多大了呢？

How will the company be doing ten years further on?

十年以後公司的情況將如何呢？

How much will it cost, more or less?

這個大概得花多少錢？

I don't know how you can say things like that.

真想不到你怎麼會説出這種話來。