Question

Marque abaixo frases que são exemplos de superlativo
1) The most expensive shops are in the central square
2)She wants to become an engineer.
3)I think fruit is the healthiest food.
4)This was the most difficult homework I did this evening.
5)New York is a large city.

Answer 1

1) → "The most expansive [...]"

3) → "[...] the healthiest [...]"

4) → "[...] the most difficult [...]"

In the quotes marks are the reason.

Thus, answers are: 1), 3) and 4).

Hope I've helped, enjoy your studies!