题目内容
The environmentalists said wild goats'____ on the vast grasslands was a good indication of the better environ-ment.
[ ]
A．escape
B．absence
C．attendance
D．appearance
答案：D
练习册系列答案
相关题目
题目内容
The environmentalists said wild goats'____ on the vast grasslands was a good indication of the better environ-ment.
[ ]