— You should say sorry to Bob.  — Yes, I regret ______ with him.
#93102
A
to quarrel
B
quarrelling
C
quarreled
D
have quarreled
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        the room, the nurse found the tape recorder            .
#90853
A
Entering; stealing
B
Entering; gone
C
To have entered; being stolen
D
Having entered; to be stolen
Every minute is made full use of __ at our lessons.
#98680
A
to work
B
working
C
having worked
D
being worked
Time________, I can have done it better. 
#97407
A
permit
B
be permitted
C
permitting
D
to permit