问题
选择题
Old Mr. Black lives happily with his three dogs. of them are part of his family.
A.Both
B.All
C.None
D.Neither
答案
答案:B
题目分析:Both两者都; All所有都;Eithe两个钟任何一个都;Neither两者都不.句意:老布莱克和他的三条狗生活得很幸福。它们都是他的家庭的一部分。结合语境可知选B。