when he was in trouble,i was alway doing what i could()him.A.help B.to help C.helping D.helped
问题描述：
when he was in trouble,i was alway doing what i could()him.A.help B.to help C.helping D.helped
答
选择B.
断句如下：
I was always,doing what i could,()him.简化之----I was always doing sth to help him.