Multiple choice

Directions: Choose the suitable form of the verb.

Edison __________________ newspapers before he became a famous inventor.

  1. sold

  2. had sold

  3. was selling

  4. had been selling
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 Although the selling occurred before he became a famous inventor, the selling is not a one-time event. The sense conveyed is 'he used to sell'. Hence, we use simple past 'sold'. 

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