【正文】
(20) ’s this? This is_____ear. D/ have two ________ Dfootes is ______book. Your name is on it. ’s________new teacher. B me many sticks have you got? I have ______three sticks. B got old are you ?________’m ten. ’m Mark. ’re ’m a teacher many books?_________ the floor. ’s he doing?_________’s ten. is Mark. is reading books.