[ Grammar ]
Once ____ for viruses, the software can be installed in the school computer system for use.
A. has tested
B. tested
C. testing
D. is tested
Select your answer:

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General Knowledge › ViewWho among the following was killed during ‘Operation Bluestar’ of 1984?
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B. Haji Mastan
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We are planning on having a picnic ___________.
A. here
B. anywhere
C. inside
D. abroad
