Multiple choice

Directions: Select the correct word or phrase to complete a grammatical and idiomatic sentence.

From birth, nightjar chicks solicit food by walking to the front of an adult bird, reaching up and ____.

  1. they peck at its bill

  2. peck at its bill

  3. pecking at its bill

  4. at its bill they peck
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Option (3) is correct 'pecking at its bill'. Rule of maintenance of parallelism. All the activities are in gerund form so the last should be also in the same form.

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