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
He is too young to be able to _____ between right and wrong.
A．discard
B．discern
C．disperse
D．disregard
单项选择题
The Eskimo is perhaps one of the most trusting and considerate of all Indians but seems to be ______ the welfare of his animals.
A． critical about
B． indignant at
C． indifferent to
D．subject to
相关试题