Hot Potatoes includes some buttons in the html webpage for each exercise:
Index button: This one should take you to your homepage.
Next exercise button: This one should take you to another exercise.
Hint: Shows some ideas that the teacher wrote or gives the first letter of the answer.
Show answer: Exactly this
Back: Again, exactly this.
Many times, these buttons are more a problem than a help, so it is wise to deactivate them. Here’s how: