1. El fin de semana pasado fuimos a un de mi cantante favorito.
2. El de la obra de teatro será el próximo jueves.
3. Nos gustó tanto el espectáculo que no parábamos de .
4. Antes de entrar al teatro debes comprar los boletos en la .
5. Nunca voy a las porque no me gusta ver animales sufriendo.

1. El fin de semana pasado fuimos a un concierto de mi cantante favorito.

2. El estreno de la obra de teatro será el próximo jueves.

3. Nos gustó tanto el espectáculo que no parábamos de aplaudir.

4. Antes de entrar al teatro debes comprar los boletos en la taquilla.

5. Nunca  voy a las funciones del circo porque no me gusta ver animales sufriendo.

Explanation:

1. El fin de semana pasado fuimos a un concierto de mi cantante favorito.

"concierto" means concert. A concert is a public performance from a musician. The sentence in english is "Last weekend we went to a concert of my favorite singer"

2. "estreno" means  premiere. In the sentence says that the play will be next thursday.

3.   "aplaudir" means to clap. "Nos gustó tanto el espectáculo que no parábamos de ..." could be translate as "We liked so much the show that we couldn't stop ..." and in english you complete the sentence with calping.

4. "taquilla" means ticket office.  The complete sentence in english would be "Before enter to the teather you must buy the tickets in the ticket office".

5. "funciones del circo" means circus performance. It's well known that animals suffers during training and performance of the shows given at the circus.  The sentence in english would be "I never attend to circus performances because I don't like to watch animals suffering."