◎ 题干
What we have to admit is that never in the past thirty years _______ so greatly as today.
[     ]
A. did China change
B. China has changed
C. has China changed
D. China 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“What we have to admit is that never in the past thirty years _______ so greatly as today.[ ]A. did China changeB. China has changedC. has China changedD. Ch…”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。