Unit 7 Happy birthday!Lesson 1它it is=itsvanvanIt is a van.Its a van.Its aIts anIts a fish.Its a dog.Its an insect.Its an apple.Its aIts anbikeIt is aIts a bike.bikebikeIts a Its a bike.Its acarcarcarIts a car.dolldolldollIts a.Its a doll.Its arobotIts a robot.robotrobottraintraintrainIts aIts a train.It is a car.It is not a car.It isnt a car.it isnt=it is notIt isnt a It isnt an It isnt aIt isnt anIts aIts an
