B.having been launched
可以!
由于即表被动又表完成,也可以用过去分词和前面一起组成【独立主格结构】
请在客户端右上角评价点“满意”即可,
The country has already sent up three unmanned spacecraft,the most recent at the end of lastMarch.
The country has already sent up three unmanned spacecraft,the most recent at the end of lastMarch.
A.has beenlaunched B.having been launched
C.beinglaunched D.to be launched
我的问题是,这里直接用launched可不可以?为什么要用现在分词的被动,而不能直接用过去分词?
A.has beenlaunched B.having been launched
C.beinglaunched D.to be launched
我的问题是,这里直接用launched可不可以?为什么要用现在分词的被动,而不能直接用过去分词?
英语人气：591 ℃时间：2019-11-07 20:37:20
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