Hello, I _______ you ______ in London. How long have you been here?
A.don’t know; wereB.hadn’t known; areC.haven’t known; areD.didn’t know ; were在线课程D
解析：
考查时态。根据句意我现在已经知道你在伦敦了，那么我不知道你在伦敦是过去不知道。所以所以过去时。句意：你好，我不知道你来伦敦了。那么在这里多久了？
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Hello, I you in London. How long have you been here?A.don’t know; wereB.hadn’t known; areC.haven’t k
编辑：chaxungu时间：2026-04-24 12:54:05分类：高中英语题库
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