题目内容
— Do you know _____?
— For two days.
— 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
B. how long Nancy was back
C. how long has Nancy been back
D. how long Nancy has been back
D
练习册系列答案
相关题目