题目内容
把下列主动语态的句子变成被动语态
They set up this hospital in 1950.
答案：
解析：
解析：
|
This hospital was set up in 1950(by them). |
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题目内容
把下列主动语态的句子变成被动语态
They set up this hospital in 1950.
|
This hospital was set up in 1950(by them). |