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A survey _______ in 2002 by the Computer Security Institute, a private organization in the USA, showed that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous year.
A. conducted ; had ; broke B. conducted; had had ; broken
C. was conducted ; had had ; broken D. to be conducted; had ; broke
查看习题详情和答案>>A survey _______ in 2002 by the Computer Security Institute, a private organization in the USA, showed that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous year.
A. conducted ; had ; broke B. conducted; had had ; broken
C. was conducted ; had had ; broken D. to be conducted; had ; broke
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.（2010·湖南岳阳一中高三第二次月考）34. A survey _______ in 2002 by the Computer Security Institute, a private organization in the USA, showed that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous year.
A. conducted ; had ; broke
B. conducted; had had ; broken
C. was conducted ; had had ; broken
D. to be conducted; had ; broke
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