Have you finished the work?
问题描述：
Have you finished the work?
No half of the class _______most of the work.But some of the work__really diffcult
A.have done is B had done are
前面问句是过去嘛``所以用HAD 后面SOME嘛`所以复数``ARE
为什么还选A啊`?
答
前面问句不是过去哦,是现在完成时,有HAVE 在呀,所以是现在呀 所以理所当然也填HAVE WORK可是不可数名词呀,所以即使有SOME谓语动词也该是单数