While _____ dogs, people should take care not to ____. Otherwise, they may be d

题干

While _____ dogs, people should take care not to ____. Otherwise, they may be dangerous to others.

A．walking; let them loose

B．walk; let them loose

C．walking; let them lose

D．training; get them run

上一题下一题 0.64难度单项选择更新时间:2016-03-16 07:16:36

小学学科试题库

初中学科试题库

高中学科试题库