Susan for three years to be a computer analyst but found her progress discouraging . A. has worked B. worked C. had worked D. was working 查看更多

 

题目列表(包括答案和解析)

Susan ______for three years to be a computer analyst but found her progress discouraging .

A. has worked  B. worked  C. had worked    D. was working

 

查看答案和解析>>


同步练习册答案