open的形容詞性是？

　　That section of the road is still closed.

　　那段公路依舊封閉。

　　The factory closed its doors for the last time in 2002.

　　這家工廠最后于2002年關閉。

　　Two factories were closed in an attempt to cut costs.

　　為削減費用，關閉了兩家工廠。

　　The water closed over his head.

　　水沒過他的頭頂。

　　The coast road is closed due to bad weather.

　　由于天氣惡劣，濱海公路暫時封閉。