Q:

In each of the following questions, sentences are given with blanks to be filled in with an appropriate words (s). Four alternatives are suggested for each question. Choose the correct alternative out of the four and indicate your choice for the correct answer.
Google is one of the most popular search engines, it is . . . . . . . . . by the internet users.

• 1
  utilized
• 2
  effected
• 3
  examined
• 4
  flabbergasted