Fred walked across the narrow bridge.
She smiled coyly at him from across the room, hoping he would notice her.
She loved to swish her colorful dress as she danced across the stage.
She danced across the stage with effortless grace.
you just did. Another sentence is: The man used the megaphone to speak to the massive crowd.
When the scale of the epidemic was understood, the town was sealed off.
you can use the word across in a sentence by saying i went across the river in a tube.
My friend lives across the street from me, so we usually hang out.
we went across a river
Can you skip a pebble across the lake .
The dice rolled across the table.
Jason challenged Brandon to try to hop across the dangerous creek.
The horse had trotted across the grassy field.
Put a shot across her bow and cut across her stern, Lieutenant!
Oxygen molecules diffuse across the membrane.
The farmer drove the tractor across the cornfield.
I swam across the river yesterday.
I was on holiday and i sailed across the sea