This factory opened twenty years ago.（同义句转换）This factory ( )

This factory opened twenty years ago.（同义句转换）
This factory ( has )(been )( open )for twenty years.
Miss Gao left an hour ago.(同义句转换）
Miss Gao( has )( been )( away )( since )an hour ago.
Her mother joined the Party three years ago.(同义句）
Her mother( has )( been )a Party member( for )three years.
The Green Family moved to France two years ago.(同义句转换）
The Green Family( have )( been )( in )France( since )two years ago.
The film has begun.It began ten minutes ago.（把两个句子合并成一个句子）
The film( has )( been )( on )( for )ten minutes.
分析： 注意终止性动词与持续性动词的用法与转换.
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