Have you got anything you can_____ as a cure for a headache? [ ]

What is our physics teacher like, do you know–Oh, he is very kind _________ he looks very serious.

You can ___________ this book and know more about Xinghua.

_____ water do you need——A cup is enough(足够的).

下列各项中对相同句式的分类正确的一项是 ①农人告余以春及 ②《齐谐》者，志怪者也。 ③彼且奚适也 ④童子何知 ⑤都督阎公之雅望 ⑥访风景于崇阿 ⑦今臣亡国贱俘 ⑧而莫之夭阏者