After chatting on QQ a long time, Mary looked up, ________ that it was 11：00 pm, long past her usual bedtime.
#88813
A
to see
B
saw
C
seeing
D
seen
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When _____ a career, you’d better consider all the possible respects.
#94212
A
to choose
B
chose
C
choosing
D
chosen
---- How did you know the surprising news? ---- I happened ____ the event then.
#89560
A
to cover
B
to be covering
C
covering
D
to have covered
I remember___for the job,but I forget the exact amount.
#97397
A
to be paid
B
being paid
C
to paid
D
paying
from endless homework on weekends, the stuclents now find their own activities to enjoy.
#96546
A
Freed
B
Freeing
C
To free
D
Having freed