( ),he often helps me whit my study

问题描述:

( ),he often helps me whit my study
A however he is busy B however busy he is C no matter he is busy D no matter how busy he is 分析各答案错在哪,

B和D都对,能用D的地方都能用B正确词序是however+形容词+主语+谓语However的用法引导状语从句可用来引导状语从句(让步状语从句),其大意为无论如何,相当于英语中的 no matter how如:However [No matter how] much he ...