Has she visited the Great wall I didn't know.（合并为一句）= I didn't know ＿＿＿＿
问题描述：
Has she visited the Great wall I didn't know.（合并为一句）= I didn't know ＿＿＿＿
Has she visited the Great wall I didn't know.（合并为一句）= I didn't know ＿＿＿＿＿＿＿＿.
答
I dont know whether she has visited the great wall or not.供您参考