问题详情:
The new suspension bridge ___ by the end of last month. A. has been designed B. had been designed C. was designed D. would be designed
【回答】
B
知识点:过去完成时及其被动式
题型:选择题
问题详情:
The new suspension bridge ___ by the end of last month. A. has been designed B. had been designed C. was designed D. would be designed
【回答】
B
知识点:过去完成时及其被动式
题型:选择题