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外语
Many people believe that our species ______ threatened with extinction.
Many people believe that our species ______ threatened with extinction.
admin
2010-05-25
43
问题
Many people believe that our species ______ threatened with extinction.
选项
A、is
B、are
C、are to be
D、used to be
答案
A
解析
主谓一致题。species是复数形式表示单数意义,谓语动词用单数,并且主句用的时态是一般现在时,故从句也用一般现在时,故选A 。
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专业英语四级
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