His parents found _____A.it necessary B.that necessary C.it is necessary D.necessary我很奇怪,为什么答案是A?C咋地就不可以拉?it...和it is.有什么区别?后面的是to tell him everything that had happend
问题描述：
His parents found _____
A.it necessary B.that necessary C.it is necessary D.necessary
我很奇怪,为什么答案是A?C咋地就不可以拉?it...和it is.有什么区别?
后面的是to tell him everything that had happend
答