I ofen visited the Great Wall 什么 I was staying in BengjingA whileB when求过程

I ofen visited the Great Wall 什么 I was staying in BengjingA whileB when求过程 I ofen help my mother do the dishes. 就划线部分提问,划线的是 ofen i ofen play the violin的句子结构 I visited the summer palace是什么意思 I went to visited the museum. i visited the science m------ yesterday I visited the science m( )yesterday I visited the zoo.怎么问? Is taht the small town you ofen ofer to?just the one __________you know I used to work for years我知道代替work there为什么不是做work的宾语而是状语,那怎摸解释Do you still remember the chicken farm _______we visited threemonths a It's the second time I ___China.A had visited B visited C have visited D visit The workers______(produce) shoes when I visited the pactory On___(周末),I ofen have a __________(旅游)around the city.请说明, I()the Summer Palace tomorrowA visit B visited C am visiting D have visited 为什么Great Wall前要加the,Big Ben前不加the?I visited Big Ben.I visited the Great Wall. it has been the first time that i () sanya ,which is a great tourist attraction.A,should have visited B,visited C,had visited D.have visited I visited the museum last week(改为否定句) I、visited、have、the Great Wall、never连词成句 I have already visited the farm 改一般疑问句