Asweknow,hisfatherisaveryfamousscientistinphysics.Butwh...

问题详情：

As we know, his father is a very famous scientist in physics. But what you don’t know is that he _______ as a farmer for five years.

A. has worked       B. worked

C. had worked       D. works

【回答】

B

知识点：动词时态与语态

题型：选择题