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Hello! I ______ you were in London. How long have you been here?A、don’t knowB、h
Hello! I ______ you were in London. How long have you been here?A、don’t knowB、h
游客
2025-07-18
13
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问题
Hello! I ______ you were in London. How long have you been here?
选项
A、don’t know
B、hadn’t known
C、didn’t know
D、haven’t known
答案
C
解析
本题考查的是时态。从句中谓语动词为一般过去时were,可知主句中谓语动词要用一般过去时或一般现在时。分析题意可知,“我不知道你在伦敦”这个事实发生在双方此刻的交谈之前,主句谓语动词应使用一般过去时。故C正确。
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