The correct answer is:
A. David ha abierto la lata.
"David ha abierto la lata", is the best Spanish equivalent to, "David has opened the can".

un conocido means B. an acquaintance.
1. Bicicleta
3. No apagar las luces de tu casa, cuando no la usas.
4. No tala de árboles. No quemar cosas.
5. Recoger basura o no tirar basura en los parques.
6. Tirar basura en los ríos.
I’m not sure what exactly you needed to do. I guessed you needed to put an example to each statement.
I hope this helped you.
If it didn’t, you let me know, please.
I know it is NOT iguana or tornado
I think connection