The conservation group said half the mammals that
The conservation group said half the mammals that
have become extinct globally in the last 200 year have been Australian species.在that引导的定从中真正的动词是什么?是have become 还是have been.如果是其中一个那另一个在句中做什么成分?请高手指教下.
have become extinct globally in the last 200 year have been Australian species.在that引导的定从中真正的动词是什么?是have become 还是have been.如果是其中一个那另一个在句中做什么成分?请高手指教下.
英语人气：424 ℃时间：2019-10-25 07:58:26
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这个句子里面有两个从句,have become是定语从句的动词,have been是宾语从句的动词.主句：主语conservation group, 谓语said,said后面到句子结尾是从句做宾语.宾语从句的主语是half the mammals,系动词have been,表语...
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