Multiple choice

Fill in the blank (ix).

  1. on

  2. an

  3. a

  4. the
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Here, the is the correct option as here it is used with a singular noun to indicate that it represents a whole species or class. On as a preposition is used as a medium of transmitting or storing information etc. An is used instead of a in places where the words start with a vowel. A is used before a single countable noun.

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