问题
选择题
The conference has been held to discuss the effects of tourism________the wildlife in the area.[ ]
A. in
B. on
C. at
D. with
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The conference has been held to discuss the effects of tourism________the wildlife in the area.[ ]
A. in
B. on
C. at
D. with
答案：B