Having been attacked by terrorists, ______.
#94758
A
doctors came to their rescue
B
the tall building fell down
C
an emergency measure was taken
D
warnings were given to tourists
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____ his telephone number, she had some difficulty getting in touch with Bill.
#97339
A
Not knowing
B
Knowing not
C
Not having known
D
Having not known
Do you know the trouble I have _____ the work?
#96445
A
to do
B
doing
C
do
D
done
_____the program, they have to stay there for another two weeks.
#92470
A
Not completing
B
Not having completed
C
Not completed
D
Having not completed