问题描述：
he then asked when mr.gibert's would be allowed to go home and the douctor told him that he would have to stay in hospital for another two weeks
1.when在这里是什么意思 什么词性?
2.would be allowed 为什么用被动语态阿
1.when在这里是什么意思 什么词性?
2.would be allowed 为什么用被动语态阿
问题解答：
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