问题
选择题
_____ is no doubt _____100 years ago animal testing was cruel. [ ]
A. It; whether
B. It; that
C. There; whether
D. There; that
答案
答案：D
搜题请搜索小程序“爱下问搜题”
_____ is no doubt _____100 years ago animal testing was cruel. [ ]
A. It; whether
B. It; that
C. There; whether
D. There; that
答案：D