——How time flies! It's already twelve o'clock.
——Oh, really? I it at all.
A.don't realize | B.didn't realize | C.haven't realized | D.hadn't realized |
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——How time flies! It's already twelve o'clock.
——Oh, really? I it at all.
A.don't realize | B.didn't realize | C.haven't realized | D.hadn't realized |