问题:
【题文】 His grandma ________ ______ two years.
A. died; since B. has been dead; for C. has died; for
【题文】 His grandma ________ ______ two years.
A. died; since B. has been dead; for C. has died; for
A. died; since B. has been dead; for C. has died; for
参考答案: