He doesn't do his homework every day.-His homework__by him every day.A.doesn't be done B.isn't done为什么选B?
问题描述：
He doesn't do his homework every day.-His homework__by him every day.
A.doesn't be done B.isn't done
为什么选B?
答
整个句子的中文语义大概是：他每天都没有做他的家庭作业,他的家庭作业每天都不被做.从中文语义可以知道是被动语态,关键是“By”,中文是“被”的意思,所以要用被动的,所以是Be加上过去分词.家庭作业是第三人称单数,所以是is的否定式.A语态上有问题,不用考虑.