The bell ______ the end of the period rang, ______ our heated discussion.
#91760
A
indicating; interrupting
B
indicated; interrupting
C
indicating; interrupted
D
indicated; interrupted
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_______ that he was in great danger, Eric walked deeper into the forest. 
#93578
A
Not realized
B
Not to realize
C
Not realizing
D
Not to have realized
_____such heavy pollution already, it may now be too late to clean up the river. 
#97852
A
Having suffered
B
Suffering
C
To suffer
D
Suffered
Entering the room, I found Mary ______at the desk and ______a letter.
#94374
A
Seated;wrote
B
Sitting;written
C
Seating;writing
D
Seated;writing
   late in the morning,Bob turned off the alarm.
#97782
A
To sleep
B
Sleeping
C
Sleep
D
Having slept