几个英语选择题,可以告诉我选它们的理由吗?

问题描述:

几个英语选择题,可以告诉我选它们的理由吗?
We were flying ______the clouds and saw the blue sky.(C)
A.overB.onC.aboveD.up
Which subject are you best_____?(C)
----Physics.
A.onB.inC.at
Can youtell the difference______the three photos _______ color?( A )
A.between,inB.between,of
C.of,betweenD.of,in
between不是两者之间吗?怎么可以用between呢?
疑惑……

1.over指横跨在上面.如 a bridge over the riveron指在上面(接触).如 a book on the tableabove是空间概念的上方.如本题up不用做介词,是抽象的“上”.如 The rate goes up.2.be best at 是由be good at 转化来的固...