问题详情：
She has neve
r been to the Great Wall before. Today she sees it the first time.
A. at B. for C. in D. by
【回答】
B
知识点：介词和介词短语
题型：选择题
问题详情：
She has never been to the Great Wall before. Today she sees it the first time.
A. at B. for C. in D. by
【回答】
B
知识点：介词和介词短语
题型：选择题