问题描述：
Mr.White works as a journalist at present,but he ___ in a high school for several years.
has worked 和 worked 到底填哪个?明明有时间状语 for several years呀!
has worked 和 worked 到底填哪个?明明有时间状语 for several years呀!
问题解答：
我来补答展开全文阅读