passive voice using the simple past tense(上)

E.g. The house __was broken__(break)into last night.

E.g. The walls__were painted__(paint)yellow.

1. The snake ________(kill)near that tree.

2. The shops________(destroy)by fire.

3. The parcel________(post) yesterday.

4. The story __________(write) by an unknown author.

5. The letter___________(receive)only this morning.

6. The guests __________(serve) delicious food.