Multiple choice

Directions: Choose the appropriate word or phrase and fill in the blank.

If you didn't understand the lesson, don't hesitate ---------.

  1. to ask a question

  2. asking a question

  3. to asking a question

  4. ask a question

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The verb hesitate is typically followed by a to-infinitive (to + base verb). Therefore, to ask a question is the grammatically correct completion. Using a gerund like asking or the base verb alone would be incorrect in this context.