Some of the students are afraid of the teachers strict with them.A. who isB. who areC. t

问题补充：

Some of the students are afraid of the teachers strict with them.

A. who is

B. who are

C. that is

D. that have

答案：

A. who is

B. who are

C. that is

D. that have

解析：句意：一些学生害怕对他们要求严格的老师。先行词teachers是复数名词，表人，故用关系代词who；be strict with对……要求严格。所以选B。