用被动语态改写句子。 Somebody lock the park gates at 6:30 p.m.every evening. The park gates __________ by somebody at 6:30 p.m.every evening.
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用被动语态改写句子。 When did people build this house? When ______ this house _____?
用被动语态改写句子。 Somebody has cleaned the room. The room __________.
用被动语态改写句子。When we got to the stadium, we found that they had cancelled the game. When we got to the stadium, we found that the game_________ by them.
用被动语态改写句子。 They have built a new hospital near the airport. A new hospital ________ near the airport.