the students Won't leave the classroom unless their teacher____them to.

分类: 作业答案 • 2023-01-09 13:15:54

问题描述：

the students Won't leave the classroom unless their teacher____them to.
A.allowed B.will allowed C.has allowed D.allows

答

D 这是现在式,从won‘t就能看出来,所以不是过去式,将来式或者现在完成式