题目

My father has been an engineer for twenty years.(保持句意不变)
My father has ___ ___ an engineer for twenty years.
这题的空格中该怎么填?

提问时间：2020-08-22

答案

My father has worked as an engineer for twenty years.
我爸爸当工程师已经20年了.
as…作为…
O(∩_∩)O~~