After chatting on QQ a long time, Mary looked up, ________ that it was 11:00 pm, long past her usual bedtime.
A.to see | B.saw |
C.seeing | D.seen |
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After chatting on QQ a long time, Mary looked up, ________ that it was 11:00 pm, long past her usual bedtime.
A.to see | B.saw |
C.seeing | D.seen |