国家开放大学 / 综合英语（3）
正确率：100%
Not only _ _ _ _ _ _ _ pets, they made them do strange things for their entertainment.
A. kept rich people
B.rich people did keep
C.did rich people keep
D.rich people kept
A. kept rich people
B.rich people did keep
C.did rich people keep
D.rich people kept
参考答案：
佳题速递：