Multiple choice

Directions: Fill in the blank with the correct option.

Iron is ________ useful metal.

  1. a

  2. an

  3. the

  4. No article required
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

'Iron' is not the only precious metal. Therefore, option 3 is eliminated. Also, word 'useful' does not start with a vowel soundbut has the sound of 'y'. Thus, option 2 is also eliminated. Hence, option 1.

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