题目内容：

The students have finished most of the exercises.The rest difficult for them.A is B are C was D were.

优质解答

Bthe rest= the rest of the exercises 其余的练习, 是复数, 所以用复数, 注意时态要和have finished 一致, 不能用过去时态 如不明白请追问手机提问者如果满意,请在客户端右上角评价点“满意”即可如果有其他问题请...