题干
It ________ over ten years since the dog ____________.
A：is; died
B：is; has been dead
C：has been; has died
D：was; has died
答案(点此获取答案解析）
A
It ________ over ten years since the dog ____________.
A：is; died
B：is; has been dead
C：has been; has died
D：was; has died
