Have you ever been to Shenzhen?----Yes,I ____there fours months ago.A.have been B.have goneC.went D.was going为什么正确答案是C,其他的都不可以,请大家帮我辨析下谢谢哈

Have you ever been employed? Where have you ever been? have you ever与have you ever been的区别 have you ever been to Yangzhou ,haven't you?回答肯定回答?否定回答呢? have you ever been to singapore Have you ever been to Singapore?意思 Have you ever been to Singapore 英语翻译Have you ever been to Disneyland have you ever been outside of china? 英语翻译Have you ever been to Disneyland? have you ever been to的作文 Have you ever been to Australia? have you ever been with a ever,been,for,you,have,late,school Have you ever been to Europe? have you ever been a lady-killer? have you ever been to collect something? Have you ever been to singapore?Unit9 Reading Have you ever been to singapore?