Therealreasonwhyprices
来源:语文精选馆 1.92W
问题详情:
The real reason why prices ____ , and still are, too high is complex, and no short discussion can satisfactorily explain this problem.
A. were B. will be
C. have been D. had been
【回答】
A
知识点:动词时态与语态
题型:选择题