En el verano me gusta nadar (I like to swim in the summer).
En la primavera me gusta correr (I like to run in the spring).
Me gusta esquiar en el invierno.
Me gusta ir de compras en el otono (I like to go shopping in the fall).
Answer: Cuestan.
Explanation: Cuanto means How much in english, so the question is asking how much those books are going to cost. Whenever you see a Cuanto in a question like that, assume it's talking about a number of something, or money. So Cuestan means cost, in the terms of "How much does this item cost?".
Uno dos tress quarro is the answer to 4 and 4