Answer: 1. los blue jeans los pantalones los pantalones cortos los zapatos -- los zapatos
2. las botas las sandalias los guantes los zapatos -- los guantes
3. el almacén el centro comercial la caja la tienda -- la caja
4. el cinturón la bolsa la camiseta la cartera -- la camiseta
5. costar gastar llevar regatear -- llevar
1. los zapatos -- shoes. All the other examples are related to some kind of pants. Like: jeans, pants, short pants. This noun is a masculine noun, with a matching definite article for a masculine, el and las. We used las, because the given example is in plural.
2. los guantes -- gloves. We picked this noun as an intruder because all the other nouns in the given examples are related to shoe wear. Like boots, sandals, sneakers. Los guantes is a masculine noun and it has a matching definite article for masculine, el and las. Las is appropriate noun as we had this example in plural.
3. the noun that does not match the row is la caja. Other examples signify places where we can buy things. Like: warehouse, mall, market. La caja means box in Spanish language. It is a feminine noun and it is accompanied by the adequate definite article for feminine singular, la.
4. la camiseta -- shirt. The reason we picked this noun as a word that doesn't belong to this row, is because other examples are related to accessories. Like belt, bag, wallet. This noun is a feminine noun and is accompanied by an adequate article for a singular form, la.
5. In this row, we have verbs. All the verbs are connected with money. Verbs like, to spend, to cost and to bargain. The exception or the intruder of this row would be carry, llevar. This a regular verb in Spanish language and it belongs to the first group of verbs as it ends in AR.
Explanation: hope I helped