试题 试卷
题型：单选题 题类：模拟题 难易度：普通
— Yes, I have never seen sky.
— Fantastic. I haven't seen _____before.
—Yes, it's colder than it was yesterday.
—Of course. I think nothing is _______than it and I'd like to watch it again.
—Yes. I've never seen a ____ one.
试题篮
