Multiple choice

Directions: Fill in the blank with the appropriate option.

More than 20 years have now passed ________ I had my first flight.

  1. since

  2. when

  3. while

  4. as
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The word 'since' is used to indicate the time elapsed from a specific point in the past until the present. It correctly links the duration (20 years) to the starting event (the first flight).

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