根据选项填空:went,gone,has gone;has taken,had taken,took I left my pen on the desk and now it is _;who _it?请给出解题详情.

根据选项填空:went,gone,has gone;has taken,had taken,took I left my pen on the desk and now it is _;who _it?请给出解题详情.
根据选项填空:went,gone,has gone;has taken,had taken,took I left my pen on the desk and now it is _;who _it?请给出解题详情.

根据选项填空:went,gone,has gone;has taken,had taken,took I left my pen on the desk and now it is _;who _it?请给出解题详情.
答案：gone,has taken
It is gone 恰好是现在完成时的特征体现：它强调对现在造成的结果或影响.

gone ，had ta ken