英语翻译A case in point is ...As is often the case...But it’s a

As is often the case和A case in point is The case in point is that ,a case in point is that ,是不是都可以啊? Mary is a case in point.和A case in point is Mary.的区别 As the case is often和As it often the case As is it 和As it is He is late,__is often the case A as B what C it D this 为什么选A Is () a pencil-case in the bag? He is absent,( )is often the case A.which B.as一定告诉我为什么, 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 It is often the case that ______ long a vacation is ,is ofte There is n______ but a rencil in my pencil case. there is n but a pencil in mypencil-case.