Select the appropriate preposition for the missing place given in the sentence: 'They went ..... restaurant to celebrate the birthday.'

Select the appropriate preposition for the missing place given in the sentence. They were dancing ....... the campfire.

Select the appropriate preposition for the missing place given in the sentence.
They walked ....... the edge of the land.

Select the appropriate preposition for the missing place given in the sentence: 'She goes to the store on Wednesdays as on this day the products are ... sale.'

Select the appropriate preposition for the missing place given in the sentence.
He always wakes up at $6\, am$ ...... the morning.

Select the appropriate preposition for the missing place given in the sentence: "Maria worked ...... six and then left."