Question

Changchang, the oldest known panda in China, ________ for one month.

1. A.
   has died
2. B.
   has been dead
3. C.
   was dead
4. D.
   died

Answer 1

B
本題的干擾項是選項A。die是表示瞬間動作的動詞，因此其完成時不可以與表示一段時間的狀語連用，因此排除A。而選項B中的has been dead是be dead的完成形式，表示狀態(tài)，是可以和for one month連用的。