Unit 1 Where did you go on vacation？
Section A
Section B
Self Check
Unit 1预习效果检测
Unit 2 How often do you exercise？
Section A
Section B
Self Check
Unit 2预习效果检测
Unit 3 I'm more outgoing than my sister．
Section A
Section B
Self Check
Unit 3预习效果检测
Unit 4 What's the best movie theater？
Section A
Section B
Self Check
Unit 4预习效果检测
……
