高一英语选择He is absent,( ) is often the case.为什么不能用which,一定用as?

He is absent,( )is often the case A.which B.as一定告诉我为什么, Li Ming is late, as is often the case中as为什么不能用which替代 He is absent _ is often the case.A what B which C who D as he is absent,( )is often the case A.what B which Cwho D as Li Ming is late,as is often the case.为什么不能用which She is absent, as is often the case.译文 高一英文定语从句（ ）He is absent,_______is often the case.A.what B.wh 【急】as is often the case中的as为什么不能换做which As is often the case,whenever i spoke,he spoke. He is late,__is often the case A as B what C it D this 为什么选A As the case is often和As it often the case As is it 和As it is 一道高一英语题语法~What is often the case is that we have worked out