关于介词的

问题描述:

关于介词的
There was not a breath of wind and yellow leaves fell off trees _______themselves.(A)
A.of B.for C.by D.to
_______their efforts,the students can't get a mark high enough to please their parents.(D)
A.With B.Under C.In D.For
It was a small room 2.4 meters _________4.(D)
A.across B.to C.for D.by
--Is she older than you?
--Yes,she is older than I ________two years.(B)
A.to B.by C.for D.over
解释下每题的意思和选这个答案的原因.

1.选A,of oneself 意为“自动地”,by oneself意为“alone无人陪伴,独自地”.{←绝对正确!}句意:没有一阵风,黄叶自动掉下来.2.选D.for,表因为,是一个比较随便的表“因为”的用法.for表“因为”时,后面一般只接短语,...