荀皓:The poor old man __ graves since he was twenty.
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A.had dug B.has been digging
B.has been digging
现在完成进行时.表示过去的一个动作持续到现在.动作的终点在将来
B
since——用完成时态
has been digging 表示延续到现在的动作
B
The poor old man __ graves since he was twenty.
The man pointed to the old coat.
The poor old man__graves since he was twenty.
I could fing my birthplace __ __ the old photo.
The priceless Chinese vase__the old man.
the old man with oil can
Please make room for the old man。
The poor man died ( )a cold winter night.
The poor man died ( )a cold winter night.
The poor man died ( )a cold winter night.