He did ____ he could____ me with my maths.A.what;to help B.that;help C.which;to help D.what;help
问题描述:
He did ____ he could____ me with my maths.A.what;to help B.that;help C.which;to help D.what;help
那么D错在哪里?
答
因为to do不定式是做目的状语!help单独没法做目的状语.而且前面已经有did了,一个句子只能有一个谓语动词 .如果what he could help me with my maths 作did的宾语呢what he could是did的宾语从句,后面的是主句的目的状语啊