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 has 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 has Nancy been back
D. how long Nancy has been back
答案：D