Asweknow,hisfatherisaveryfamousscientistinphysics.Butwh...

問題詳情：

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

知識點：動詞時態與語態

題型：選擇題