1. The CEO of Davio Software Inc. was         to learn that Hansen Research had selected Davio’s latest data analysis program.

• (A) please
  
• (B) pleasing
  
• (C) pleased
  
• (D) pleases
  

2. It is         to install an anti-virus program on your new computer before downloading anything from the Internet.

• (A) recommending
  
• (B) recommend
  
• (C) recommended
  
• (D) recommendation
  

3. One of the         of a laboratory assistant is to make sure all measuring devices are kept clean.

• (A) responsible
  
• (B) responsibly
  
• (C) responsibility
  
• (D) responsibilities
  

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