问题详情：
![---Ihear]( "---Ihear")
---I hear ________ of the old people in the meeting room ________ teachers.
--- Yes. _______ old man behind Mary is ________university teacher.
A. sixtieth percent; is; An; an y percents; are; A; the
C. two third; is; The; an thirds; are; The; a
【回答】
D
知识点：相似 相近词比较
题型：选择题
