... Practice: What is this ? - It ‘s a/an… Unit 2: Lesson 5: C2-3 -What is that ? -It’s …… a door Unit 2: Lesson 5: C2-3 IV Practice: What is that ? It’s a/ an………… Structure : What is this ? What is that ... a classroom a school Unit 2: Lesson 5: C2-3 III/ Matching: A window A clock A door A board A pencil A pen A ruler A waste basket An eraser A school bag Unit 2: Lesson 5: C2-3 -What is this ?a ... lời đồ vật xung quanh What is this / that ? - It’s a / an Unit 2: Lesson 5: C2-3/ p .28 -29 Summary *Vocabulary: a pen, a door, a window, a ruler, a clock, an eraser, a school bag, a waste...