急问Although he was weak,__ he tried his best to do the work.A.but B.still C.yet D.howeverB为何不对?

分类: 作业答案 • 2021-12-20 02:33:30

问题描述：

急问Although he was weak,__ he tried his best to do the work.A.but B.still C.yet D.however
B为何不对?

答