◎ 题干
We have to admit that never in the past twenty years ________ so greatly as before.
[     ]
A. did the city change  
B. the city has changed
C. has the city changed  
D. the city had changed
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“We have to admit that never in the past twenty years ________ so greatly as before.[ ]A. did the city changeB. the city has changedC. has the city changedD.…”主要考查了你对  【现在完成时】【部分倒装】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。