It is 3pm now . The students in Class 6 are cleaning the classroom. Look,Tom and Lin Tao are cleaning the blackboard. Anna and Helen are sweeping the floor. Lucy is watering the flowers. Kate and Lily are cleaning the windows. Other students are cleaning the table. Everybody is busy but happy,because the classroom looks tidy and clean.
现在是周五下午三点，六班的学生们正在打扫教室。看Tom和Lin Tao 正在擦黑板；Anna和Helen正在扫地；Luc