La coma para enumerar, y el punto para cambiar de tema o terminar una oración.
This is preterit
Fui a la playa ayer
Tren
It is most likely train because spain is known for common transport by trains. Considering that it asks "qué hora sale el próximo" (when the next one comes) it probably isn't talking about a plane.
Answer: In 711 Muslim forces invaded and in seven years conquered the Iberian peninsula. It became one of the great Muslim civilisations; reaching its summit with the Umayyad caliphate of Cordovain the tenth century. Muslim rule declined after that and ended in 1492 when Granada was conquered. HOPE IT HELPS :3
