It’snearlyfouryearssinceIworkedinthatfarm.I

问题详情：

 It’s nearly four years since I worked in that farm. I ______ a band with other fellows.

A. operated      B. had been operating   C. was operating        D. am operating

【回答】

D

知识点：现在进行时及其被动式

题型：选择题