Choose the phrase that can be completed with the preposition at.

Tick the correct answer.

• To star __ a movie
• Sort __ something
• A painting __ Picasso
• The best __ all time
• It's very nice __ you
• To be sold __ much money
• To add value __ something
• To be famous __ something
• To be popular __ somebody
• To sell something __ an auction