the swimming club opened two years ago(用since two years ago 改写)the swimming club ____ ____ ____ since two years ago.

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the swimming club opened two years ago(用since two years ago 改写)the swimming club ____ ____ ____ since two years ago.
the swimming club opened two years ago(用since two years ago 改写)
the swimming club ____ ____ ____ since two years ago.

the swimming club opened two years ago(用since two years ago 改写)the swimming club ____ ____ ____ since two years ago.
has been open
open本身有形容词意思be open表可以延续的状态,后面可以加一段时间since two years ago