问题
选择题
―Do you know _____?
―For two days. [ ]
A. how long was Nancy back
B. how long Nancy was back
C. how long was Nancy been back
D. how long Nancy has been back
答案
答案：D
搜题请搜索小程序“爱下问搜题”
―Do you know _____?
―For two days. [ ]
A. how long was Nancy back
B. how long Nancy was back
C. how long was Nancy been back
D. how long Nancy has been back
答案：D