题目内容

___How time flies!It’s already twelve o’clock.
___ Oh,really? I ______ it at all.
A．don’t realizeB．Didn’t realize
C．haven’t realizedD．hadn’t realized
B
本题考查时态。这里指在别人提醒之前并没有意识到。故用一般过去时。句意：
——时间过得多快啊！已经12点了。——哦，真的吗？我根本没有意识到。
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