请根据句意用括号内所给单词的适当形式填空

请根据句意用括号内所给单词的适当形式填空
1.It's not allowed___(smoke)in the gas station.
2.I wish I____(can)walk in space
3.The machine was_____(develop)successfully in Peking University last year.
alading113 1年前 已收到1个回答 举报

伤心人1 幼苗

共回答了14个问题采纳率:71.4% 举报

to smoke (be allowed to do sth)
could 虚拟语气
developed 被动语态

1年前

5
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