题文
While ____ the dog, you should take care not to get loose . Otherwise, it may be dangerous to strangers.
| A．walking; | B．walked | C．walking for | D．training for |
推荐试卷
While ____ the dog, you should take care not to get loose . Otherwise, it may be dangerous to strangers.
| A．walking; | B．walked | C．walking for | D．training for |
试题篮
()
粤公网安备 44130202000953号
