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

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A.normal正常的，B.t ypical典型的mon普通的，D.ordinary普通的，句型： Its typical of sb to do，某人做…是常有的事，句意：杰克有迟到了，让别人等是他常作的事。选B。