The book ___ isn't in my schoolbag.A.what I need B.that I need it C.I need D.which I need it

问题描述:

The book ___ isn't in my schoolbag.A.what I need B.that I need it C.I need D.which I need it

C.I need
yes you are right !

C.I need

C.I need ----------省略引导词的定从

C
省略了一个that