作业帮his grandpa has been dead for three years.改为同义句it _____ _____ there years ______his grandpa died
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his grandpa has been dead for three years.改为同义句it _____ _____ there years ______his grandpa died
his grandpa has been dead for three years.改为同义句
it _____ _____ there years ______his grandpa died
his grandpa has been dead for three years.改为同义句it _____ _____ there years ______his grandpa died
has been since
has
been
since