单项选择题

The director of the research institute came in person to______ that everything was all fight.

A．make out
B．make sure
C．make clear
D．make up
<上一题 目录 下一题>
热门 试题

单项选择题
As a salesman, he works on a______ basis, taking 10% of everything lie sells.
A．revenue
B．commission
C．salary
D．pension
单项选择题
The Lewis and Clark expedition ______the ten Story of the Louisiana Purchase and beyond as far as the Pacific Ocean.
A．located
B．searched
C．exploited
D．developed
相关试题