The staff at the hotel were very helpful and friendly.

I swear I will never do that again.

I need to sweep the floor before guests arrive.

The fuel tank of the car is almost empty.

The trial lasted for several weeks.

She is very outgoing, whereas her sister is shy.

Please wipe the table with a cloth.

I found a beautiful object at the antique shop.

The operation was successful.

The operator of the machine is responsible for its maintenance.