Write the past participle or the verbs to complete the sentences

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вопрос

The cake had been ___ before the party started. (eat)The car was ___ in the parking lot all day. (park)The books have been ___ on the shelf in alphabetical order. (arrange)All the cookies had been ___ by the time I got home. (eat)The letter was finally ___ and sent off. (write)The room has been ___ and is now ready for the guests. (clean)The project has been ___ and is now ready for presentation. (complete)The garden has been ___ with beautiful flowers. (plant)The dishes had been ___ before the guests arrived. (clean)The tickets were ___ by the time we got to the movie theater. (buy)