She ______(study abroad)in Canada for many years.用适当形式填空

问题描述:

She ______(study abroad)in Canada for many years.用适当形式填空

She ______(study abroad)in Canada for many years.
用适当形式填空就是:
She _has studied abroad_ in Canada for many years.为什么不用过去式?因为句子的后面有时间提示词for...years,表示用(现在、过去)完成时。