英语知识问题1----You came here very early the day before yesterday

英语知识问题
1----You came here very early the day before yesterday.
----Oh,we would have arrived much earlier if ______ hadn’t been for the snow.
A.that B.this C.it D.there
2I can hardly get to sleep _______ the noise outside so loud.
A.as B.for C.with D.because of
3.----I don’t think the movie is well-made.
---- No,it’s the _______ I have ever seen.
A.same B.different C.best D.worst 分别选哪个.为什么