你多久没来上海了？英文怎么说 楼上都正确除此之外还可以是：When was the last time you were in Shanghai？When was your last time in Shanghai？别人会回答six months ago/a year ago，就能推断出此人有多久没来上海了
你去过上海吗用英语怎么说 Have you been to Shanghai？
你去过上海吗英语怎么说 have you ever been shanghai have有 been 头 上海 ni qu guo shanghai ma have you ever been shanghai Have you been to shanghai？。
