My father has visited the Great Wall.（改成一般疑问句）

My father has visited the Great Wall.（改成一般疑问句） this boy has visited the Great wall already.（变为一般疑问句） My friend Jimmy has been to the Great Wall before(改为一般疑问句） they visited the great wall last sunday 一般疑问句 Vear visited the Great Wall last Sunday.(改为一般疑问句) He visited the Great Wall last weekend.（改为一般疑问句） My father is going to climb up the Great Wall.改为一般疑问句 He has visted the Great Wall (改为一般疑问句) My father has a volleyball怎么改成一般疑问句? My father has a Ping-Pong paddle 改成一般疑问句 根据提示变换句型1.This boy has visited the Great Wall already.(变为一般疑 We call walk all of the Great Wall 改成一般否定句、一般疑问句、特殊疑问句..