2/8/2019,第二课时,2/8/2019,2/8/2019,2/8/2019,2/8/2019,2/8/2019,2/8/2019,2/8/2019,2/8/2019,2/8/2019,2/8/2019,footprints,2/8/2019,How many footprints do you see?,2/8/2019,How many apples do you see?,2/8/2019,How many caps do you see?,2/8/2019,2/8/2019,2/8/2019,2/8/2019,2/8/2019,2/8/2019,