Jack is late again. It is of him to keep others waiting.A. normal B. ordinaryC. commonD. t

问题补充：

Jack is late again. It is of him to keep others waiting.

A. normal

B. ordinary

C. common

D. typical

答案：

A. normal

B. ordinary

C. common

(答案→)D. typical

解析：

试题分析: A正常的；B普通的；C常见的，共同的；D典型的。固定句型：it is typical of sb to do sth“某人一贯做某事”，答案选D。句意：杰克又迟到了。他一贯让别人等他。