Answer: A pair of trunks and a swimming suit
Step-by-step explanation: The text is a conversation in Spanish, where someone is expressing their desire to go swimming due to the heat. They mention having various items such as flip-flops (chanclas), a t-shirt (camiseta), and shorts (pantalones cortos). From this information, it can be inferred that the appropriate items to bring for swimming would be a pair of trunks and a swimming suit.