单项选择题

One of the responsibilities of the Coast Guard is to make sure that all ships ______ follow traffic rules in busy harbors.

A．cautiously
B．dutifully
C．faithfully
D．skillfully
<上一题 目录 下一题>
热门 试题

单项选择题
It was no ______ that his car was seen near the bank at the time of the robbery.
A．coincidence
B．convention
C．certainty
D．complication
单项选择题
He is too young to be, able to ______ between right and wrong.
A．discard
B．discern
C．disperse
D．disregard
相关试题