问题描述：
看到for three years一般用现在完成时,此题用的是一般过去式,是什么用法?
i ______ in a foreign company for three years.still,i don't regret having given up the well-paid post.
Aworked
Bhave worked
cwas working 选A 求讲解.
i ______ in a foreign company for three years.still,i don't regret having given up the well-paid post.
Aworked
Bhave worked
cwas working 选A 求讲解.
问题解答：
我来补答展开全文阅读