Multiple choice

Directions: Choose the correct alternative.

They ____ each other since 2004.

  1. have known

  2. are known

  3. had known

  4. were known
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A Correct answer
Explanation

The present perfect tense 'have known' is used to describe an action or state that began in the past and continues to the present. 'They have known each other since 2004' indicates that their acquaintance started in 2004 and continues to exist. The present perfect (has/have + past participle) is appropriate with 'since' to show duration from a past point to now.

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