【正文】
are twenty ¥ 80 ¥ 20 Do exercise: 選擇填空 : ( ) much is it? 23 yuan. A. They are B. It’ s C. Is it ( ) much the sneakers? They’ re 67yuan. A. am B. is C. are ( ) is the shirt? It’ s thirty yuan. A. long B. much C. old ( ) your sneakers. Run the park. A. on, at B. in, in C. on, in ( ) I help you? . A. Yes, please B. I’ m full C. Yes, they are B C B C A