Unit 7The mountain bike race.braketireseatpumphandlebarspedalslook and match1.No talking2.Dont walk on the grass3.No smoking 4.StopNo smokingStopDont walk on grassNo talking 学习新句型 Can you enter if you are years old?Yes,you can.No,you cant.Can I enter bike race if I am 28 years old?Yes,you can.Can you enter bike race if you are 8 years old?No,I cant.Can you enter basketball race if you are 30 years old?Yes,I can.Can you enter basketball race if you are 6 years old?No,I cant.
