Twenty green bottles20-1=?Go to the zoo.Close the door.Take a bus. Have a seat.I’m happy today!One, two.Three, four.Five, six.Seven, eight.Nine, ten.I am fine.Eleven, twelve.Write No. five.Unit4&Unit5Unit 6 Revision121211109876543What’s the time?It’s seven o’clock.It’s twelve o’clock.It’s six o’clock.It’s three o’clock.It’s eight o’clock.It’s four o’clock.It’s nine o’clock.Wolf, Wolf, ..