The city was difficult ________, _________ was defended by an army of 6,000 men.
#98005
A
to be taken; which
B
to take; that
C
to take; which  
D
to be taken; that
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____ regular training in nursing,she could hardly cope with the work at first.
#95321
A
Not having received
B
Since receiving
C
Having not received
D
Not received
Jack became seriously ill after ________ in polluted air for many years.
#89778
A
breathed 
B
breath 
C
breathing 
D
to breathe