下面这类句子中， how 引导的宾语从句是表疑问还是表感叹？
You know how much I love you.
I can’t tell you how happy I am.
I can’t express how grateful I am to you.
She opened my eyes to how foolish I’d been.
You have no idea how worried I was.
以下五个句子中的how引导的分句均为间接感叹句。
You know how much I love you.
比较：How much I love you! / I love you so much. You know it.
I can’t tell you how happy I am.
比较：I am so happy that I cant put it in words.
I can’t express how grateful I am to you.
比较：I am too grateful to you to put it in words.
She opened my eyes to how foolish I’d been.
比较：I realized that I had been so foolish.
You have no idea how worried I was.
比较：I was so worried, but you dont know it.
