单项选择题

It is important that the hotel receptionist ______ that guests are registered correctly.

A．has made sure
B．made sure
C．must make sure
D．make sure
<上一题 目录 下一题>
热门 试题

单项选择题
The same factors push wages and prices up together, the one _____the other.
A．emphasizing
B．reinforcing
C．multiplying
D．increasing
单项选择题
A ______to this problem is expected to be found before long.
A．result
B．response
C．settlement
D．solution
相关试题