单项选择题

All the staff members of the department made______ efforts to clean up the hall for the Christmas party.

A．gigantic
B．concerted
C．comprehensive
D．conscientious
<上一题 目录 下一题>
热门 试题

单项选择题
The house______ ready today but there has been a builders' strike it is still only half finished.
A．was to be
B．was to have been
C．were to be
D．should be
单项选择题
A complete investigation into the accident should lead to improved standards and should______ new operating procedures.
A．attribute
B．result in
C．match with
D．proceed with
相关试题