Module 4 Great inventions Unit 2 Books could be produced more quickly and cheaply. 1【最新】九年级英语上册 Module 4 Unit 2 Books could be produced more quickly and cheaply同步授课 课件 外研版 课件 Lets Review Have/has been + done This book/ read/ by everyone in my class This book has been read by everyone in my class. 1. This book/ discuss/ on telephone 2. It/ buy/by thousands pf people 3. Children/tell to read this book 4. The book/ print/ again and again 5. Other books /write /about this book This book has been di