单项选择题

Only in recent years （） begun to realize that wild dogs, kept within bounds, often do more good than harm.

A．people have
B．since people have
C．have people
D．people who have

<上一题 目录 下一题>
热门 试题

单项选择题
We should be able to do the job for you quickly,（）you give us all the necessary informarion.

A．as if
B．provided that
C．in case
D．so that
单项选择题
Without the sun's light（）the earth's surface, it would be so cold that life could not exist on the earth.

A．warms
B．warmed
C．warming
D．to warm
相关试题