It is a fine Sunday morning．There are a lot of children near the river．They are students of Grade One of No．1 5 Middle School．‘There are two teachers with them．All  of the students are Young Pioneers．They are having their Young Pioneers’ Day．

    What are they doing? They are planting trees and flowers．Some of the boys are carrying(背)new trees；some are planting them．Some of the girls are carrying water；some are watering(浇水)new trees．The teachers are helping them·