（教案4）This bird is bigger than the first one

Unit 9 This bird is bigger than the first one Period 3同步练习（含答案）

Unit 9 This bird is bigger than the first one Period 1复习同步练习（含答案）

Unit 9 This bird is bigger than the first one Period 2同步练习（含答案）

（教案1）It's one hundred

Unit 4 January is the first month Lesson 20 教案

（教案3）It's one hundred