问题详情:
I remembered that the air conditioners ______ turned off before I left the office.
A. had been B. were C. were to be D. have been
【回答】
A
知识点:过去完成时及其被动式
题型:选择题
问题详情:
I remembered that the air conditioners ______ turned off before I left the office.
A. had been B. were C. were to be D. have been
【回答】
A
知识点:过去完成时及其被动式
题型:选择题