问题详情:
She is a well--known doctor now , but she _____ as a cleaner at the hospital for five years .
A. has worked B. worked C. had worked D. works
【回答】
B
知识点:一般过去时及其被动式
题型:选择题
问题详情:
She is a well--known doctor now , but she _____ as a cleaner at the hospital for five years .
A. has worked B. worked C. had worked D. works
【回答】
B
知识点:一般过去时及其被动式
题型:选择题