He did ____ he could ____ help us.A that ; help B what ; to help C what ; help

问题描述:

He did ____ he could ____ help us.A that ; help B what ; to help C what ; help

B

B what ; to help
不要因为有could就以为是动词原形,这里是to do ,表目的滴

B
第一个是宾语从句
第二个是不定式做目的状语