单项选择题

When Mr. Black retired, his son ______ the business.

A．took up
B．took over
C．took on
D．took out
<上一题 目录 下一题>
热门 试题

单项选择题
It was not ______ 1982 that he went back to America.
A．since
B．until
C．before
D．after
单项选择题
While discovering the cause of a serious illness,
A．the illness should be cured immediately
B．the patients should be taken good care of
C．the doctor should give the patient good care
D．the effective measure should be taken
相关试题