Multiple choice

Travel agents advise ........ early, in order to avoid disappointment.

Choose the correct answer

  1. buying

  2. postponing

  3. booking

  4. cancelling

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

After 'advise', the gerund form 'booking' is required when suggesting an action. 'Advise booking' means to suggest making a reservation, which fits the context of avoiding disappointment.