问题
选择题
—I can't find Mary. Where's she?
—Sorry, I don't know ______. [ ]
A. where has she been
B. where she has been
C. where has she gone
D. where she has gone
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—I can't find Mary. Where's she?
—Sorry, I don't know ______. [ ]
A. where has she been
B. where she has been
C. where has she gone
D. where she has gone
答案：D