Eversincemybrothergraduatedfromtheuniversity,he

问题详情：

 Ever since my brother graduated from the university, he _______ in the present company for

15 years and he is now chief engineer of the company  .

A. worked        B. has been working    C. is working         D. works

【回答】

B

知识点：现在完成进行时及其被动式

题型：选择题