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
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