It was ________ that he had to ask for help.A.such big a work B.a_英语解答

It was ________ that he had to ask for help.A.such big a work B.a so big job C.a so big work D.
为什么B不行

人气：135 ℃　时间：2019-11-12 08:11:01

解答

so+adj./adv.+n.（名词可数不可数都可以）
such+a/an+adj.+n.（必须是可数名词）
这是固定用法你记住就行了
adj.(形容词) adv.(副词)