Text 4 (for questions 42, 43, 44, 45, and 46)

                                                                       Social networks

Going into the small room at the end of the corridor, Roberta sat down _______ 1 the computer. It was the computer she had bought when her old one’s hard disk had started to go wrong. Her new computer was a laptop with a lot of extra ... Ver mais

Ten critical actions needed to address four major cybersecurity challenges:

The use of the preposition for in “1. Develop and execute a more comprehensive federal strategy for national cybersecurity…” indicates

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