last saturday is tree planting day.改错

问题描述:

last saturday is tree planting day.改错
2,they worked very fastly.
3,how many holes did you dug?
4,he used stones kill animals
5,she drawed a picture on the wall.

last saturday【was】 tree planting day.
2,they worked very 【 fast】.
3,how many holes 【have】 you dug?
4,he used stones 【to】 kill animals
5,she 【drew 】a picture on the wall.