It -------- five years since he left his motherland.这种句型的题,什么时候用It was,什么时候用It is啊?具体一点,举个例子啊.....

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It -------- five years since he left his motherland.这种句型的题,什么时候用It was,什么时候用It is啊?具体一点,举个例子啊.....
It -------- five years since he left his motherland.
这种句型的题,什么时候用It was,什么时候用It is啊?
具体一点,举个例子啊.....

It -------- five years since he left his motherland.这种句型的题,什么时候用It was,什么时候用It is啊?具体一点,举个例子啊.....
这里应该用it is相当于it has been
it was用于过去时,时态取决于时间副词的使用

建议你多去看看和了解语法中的TENSE SHIFT.