isgouseget说出下列动词的过去式watchcalllearnwalkwaswentusedgotwatchedcalledlearnedwalked不规则变化 规则变化March12thTreePlantingDay1. What day was last Saturday?2. How was the weather?3. What did Gao Wei and his classmates do?4. Where did they get water?5. What can trees do for people?6. What do the students want to do? Last Saturday was March 12th. It was Tree Planting Day. It was sunny. Gao Wei and his classmates went to plant trees. They used spades to dig holes in the ground. Then they brought young trees and
