Sodium must be burned to make a deep yellow, , We have a lot of work tomorrow. You must not be late., , A chemist would analyze the elements in its shaft. , , May I examine the contents of this Roman candle?, , You have to do your best for you to win the game., .

Tabla de clasificación

Estilo visual

Opciones

Cambiar plantilla

¿Restaurar actividad almacenada automáticamente: ?