We should show concern for Mr. Smith, eighty-year-old man near our home because now he has nobody to depend on.
A. /; a
B. the; a
C. /; an
D. the; an
网友回答
A. /; a
B. the; a
(答案→)C. /; an
D. the; an
解析：考查冠词：句意：我们应该关心斯密斯先生，一个我家附近的80岁的老人，因为他没有人可以依靠。第一空不填，show concern for“关心”，第二空填an，因为eight是元音开头的单词，选C。