【正文】
he Ss to listen and number the inventions. the recording again to check the answers. Work on 2b: Ss read the chart some main sentences for the sure they know what to do. the recording for the Ss to fill in the blanks. the recording again to check the answers. Step 7 Pair work (2c) Ss to make conversations using the information in a model for the Ss. A:What are the shoes with special heels used for? B:They are used for changing the style of the