Jack is late again. It is of him to keep others waiting.A. normalB. typicalC. commonD. or

问题补充：

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

A. normal

B. typical

C. common

D. ordinary

答案：

A. normal

(答案→)B. typical

C. common

D. ordinary

解析：考查形容词：A. normal正常的B. typical典型的C. common常见的D. ordinary普通的，只有B项可以用于It’s typical of sb to do sth.某人做…是常有的事情。句意：杰克又迟到了，他让别人等是常有的事情。选B。