【单选题】
While _____ dogs, people should take care not to ____. Otherwise, they may be erous to others.
A.
walking; let them loose
C.
walking; let them lose
D.
training; get them run
参考答案:
参考解析:
举一反三
【简答题】maintain, professional, symbol, respect, image, message, organization, standard, come up with, apply to, take care of, as well, be ( not ) likely to 2. You had better get ________ adv...