Unit1 In class,Fun time & sound time & checkout time & ticking time,Open your book,Close the window,close the door,Close your book,and off we go!,and say Hello!,Open the window,open the door,Open the window,Lets chant,b,Sound time,b,Sound time,book,s,big大,Sound time,Big books, big books.Bob has two big, big books,book,s,big大,Sound time,Checkout time,Please .,robot,Fun time,Mr robot, please open the book.,Mr robot, please .,
