But for his father’s sudden illness he would never thought of breaking this with you.A. a

问题补充：

But for his father’s sudden illness, he would never thought of breaking this with you.

A. arrangement

B. appointment

C. schedule

D. interview

答案：

A. arrangement

(答案→)B. appointment

C. schedule

D. interview

解析：句意为：要不是他父亲的突然生病，他从来不会毁掉和你的约定。arrangement n 安排；appointment n约定，协议；schedule n时间表，课程表；interview n采访。故答案应为B。