—Ithinksomerulesinourschoolshould        . —Perhapsyoua...

问题详情：

—I think some rules in our school should         .

  —Perhaps you are right.

  A. be changing    B. be changed      C. change          D. to be changed

【回答】

B  rules与change构成被动关系，故用被动语态，should 后跟动词原形，故选B。

知识点：动词语态

题型：选择题