一道完形填空.为什么这么填?
问题描述：
一道完形填空.为什么这么填?
Dolphins are social animals.Many of them even (1)____ around human.In addition to being playful,they are hulpful to men.For example,(2)____400 B.C.the Greek poet Arion was saved from drowning by a dolphin.
(1) A.go in for to be B.are used to be C.enjoy being D.fond of being
(2) A.as far as B.as long as C.as soon as D.as early as
为什么第二题不能选D呢?
到公元前400年和早在公元前400年好像没什么具体的区别啊.
答
as far as 意思是远在公元前400年,
as early as 没有这种固定搭配