第3课时: Say and act Review the sounds,Unit11 Shapes,Module4 The world around us,How many triangles are there? There is one triangle. How many circles are there? There are two circles,They are biscuits,How many biscuits are there,There are thirteen biscuits,What are these,There are nine circles,How many squares are there,There are two squares,How many circles are there,How many rectangles are there,There are two rectangles,They are at home,What do they have,They have some biscuits,Are the children
