The disabled people shouldn’t . Instead we should be friendly to them.A. look downB. look

问题补充：

The disabled people shouldn’t . Instead, we should be friendly to them.

A. look down

B. look down on

C. be looked down on

D. be looked down

答案：

A. look down

B. look down on

(答案→)C. be looked down on

D. be looked down

解析：look down on sb.看不起某人。句中The disabled people作主语，所以要用look down on sb的被动语态，shouldn’t后跟动词原形，所以选C。