------ will they visit next Sunday?The Great Wall.A.where B.at which C.what D.when 为什么?
问题描述：
------ will they visit next Sunday?The Great Wall.A.where B.at which C.what D.when 为什么?
答
答案：A.Where
问题的回答是The Grea wall,这是地方名,所以提问词用Where；
B.at which 不用做问句提问
C.所以此处用What提问不对题.
句中有next Sunday,一定不是D.When；