Explanation:

- Football matches last for 90 minutes in regular time.

- The match is divided into two halves of 45 minutes each.

- There is a 15-minute halftime break between the two halves.

- Option 1: 90 minutes is the correct duration of a regular football match.

- Option 2: 60 minutes – Incorrect, as it is shorter than the standard time.

- Option 3: 80 minutes – Incorrect, still shorter than the 90-minute standard.

- Option 4: 70 minutes – Incorrect, also shorter than the regular match duration.