题目：
---Look! The telephone is broken. Someone damaged it ________ purpose.
---That may be right. But perhaps it was broken _________ accident.
A．on; by
B．by; by
C．on; on
D．by; on
答案：
答案：A
短语辨析。On purpose故意的；by accident偶然的。故A正确。
---Look! The telephone is broken. Someone damaged it ________ purpose.
---That may be right. But perhaps it was broken _________ accident.
A．on; by
B．by; by
C．on; on
D．by; on
答案：A
短语辨析。On purpose故意的；by accident偶然的。故A正确。
