单项选择题

Our country has grown rich because of its ______ with other nations.

A．commerce
B．commerces
C．commercial
D．commercials
<上一题 目录 下一题>
热门 试题

单项选择题
He signed his name ______ two witnesses.
A．at the presence of
B．at the present with
C．in the presence of
D．in the present with
单项选择题
She is not accustomed to ______ what to do.
A．telling
B．being told
C．having told
D．tell
相关试题