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    精英家教网 > 高中英语 > 题目详情
    Many British people have noticed that butterflies _______ from its natural habitats during the past several years.
    A．are disappearingB．have been disappeared
    C．have been disappearingD．will have disappeared
    C
    考查动词时态与语态。根据时间状语during the past several years在过去的若干年，可知一直到现在，故用现在完成进行时，选C。
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