IhavebeenteachinginNo.1MiddleSchoolfor10years,butI

问题详情：

 I have been teaching in No. 1 Middle School for 10 years, but I ______ in another school for 5 years.

A. have worked      B. had worked      C. worked        D. was worked

【回答】

C

知识点：一般过去时及其被动式

题型：选择题