问题
选择题
- Have you been to the Great Wall?
- Perhaps not in my memory. ________, it might have been during my early childhood. [ ]
A. If any
B. If ever
C. If once
D. If not
答案
答案：B
搜题请搜索小程序“爱下问搜题”
- Have you been to the Great Wall?
- Perhaps not in my memory. ________, it might have been during my early childhood. [ ]
A. If any
B. If ever
C. If once
D. If not
答案：B