LESSON SIXTEEN
I draw a triangle like a hill
I draw a circle like a ball
I draw a rectangle like a door
I draw a square one two three four What shape is it?
It 's a triangle
（请用circle,rectangle等词汇进行替换练习）
LESSON SEVENTEEN
What is always
behind you, in front of you
in you,on you,under you,
next to you, with you, around you?
The air is always
behind me, in front of me,
in me, on me, under me,
next to me,with me,around me.
LESSON EIGHTEEN
Let me tell you a story
It has no end
There is a town
And in this town
There is a street
And in this street
There is a house
And in this house
There is a room
And in this room
There is a picture
And in this picture
There is a town
And in this town
There is a ...... What's in the town?
There is a street in the town
LESSON NINETEEN
I am a boy
I like a toy
I have a train
A bus, a boat
And a plane I am a girl
I like a doll
I have a teddy bear
And a dog
With long hair
LESSON TWENTY
Plane plane fly away
Boat boat float away
Ball ball roll away
Pinwheel pinwheel
Spin and stay
Plane is my favourite toy
I play with it every day
I hold it up in the air
And it flies away | 
