作业帮His grandparents died ten years ago.(同义句)① His grandparents___ _____ _______ since __ _____ ____.（6格）②His grandparents ___ _____ _______ _____ ten years.（4格）③___ _____ _______ _____ since his his grandparents died.（4格）
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His grandparents died ten years ago.(同义句)① His grandparents___ _____ _______ since __ _____ ____.（6格）②His grandparents ___ _____ _______ _____ ten years.（4格）③___ _____ _______ _____ since his his grandparents died.（4格）
His grandparents died ten years ago.(同义句)
① His grandparents___ _____ _______ since __ _____ ____.（6格）
②His grandparents ___ _____ _______ _____ ten years.（4格）
③___ _____ _______ _____ since his his grandparents died.（4格）
④___ _____ _______ ten years since his grandparents died.（3格）
His grandparents died ten years ago.(同义句)① His grandparents___ _____ _______ since __ _____ ____.（6格）②His grandparents ___ _____ _______ _____ ten years.（4格）③___ _____ _______ _____ since his his grandparents died.（4格）
1.have been dead ,ten years ago.
2.has been dead for
3.It is ten years since
4.It has been