第二题
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第二题第二题 第二题beencollectinghasbeencollecting现在完成进行时态hasbeencollectinghasalreadycollectedforhasbeen
第二题
第二题
第二题
been collecting
has been collecting 现在完成进行时态
has been collecting
has already collected for
has been collecting
has been collecting
您好！2. has been collecting for （现在完成进行时）望采纳 ！谢谢！