It___3yearssincehisgrandmather___AisdeadBishasdeadCwasdying请重点解释下第一空
2022-05-04 42次 反馈错误 加入收藏 正确率 : 100%
题目内容：
It ___ 3 years since his grandmather___
A is dead B is has dead Cwas dying 请重点解释下第一空
优质解答
都不对
应该是It is 3 years since his grandmather died.
since从句用一般过去式
本题链接：
