It has been a long time since we last talked to Jane, isn't it?
It has been a long time since we last talked to Jane, isn't it?
A. has
B. a long time
C. since
D. isn't it
Đáp án D
D ==> hasn't itCâu hỏi đuôi với mệnh đề trước là câu khẳng định ở thì hiện tại hoàn thành ( has/have + VpII) => tag question: has/haven’t + S?
