---How long have you been in Beijing?

---How long have you been in Beijing?
---I ___ you ___here.
A.didn't;know; B.didn'tknow;had been C.don't know;are D.don'tknow;were
参考:这道题的参考答案为A(我想不通!)

幼雏 1年前已收到4个回答举报

ggir 花朵

共回答了19个问题采纳率：94.7% 举报

应该是i didn't know you were here吧,以前不知道,现在知道了,所以是陈述过去的情况用didn't know 从句保持事态一致,即用were

1年前

青鸾舞镜幼苗

共回答了11个问题举报

1年前

小智想飞幼苗

共回答了2个问题举报

D.我现在不知道你曾经

1年前

心彤感觉幼苗

共回答了10个问题举报

D YOU前面应该加Don't

1年前

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