Unit 10 You're supposed to shake hands.
Section A
Section B
单元总结
单元检测
Unit 11 Sad movies make me cry.
Section A
Section B
单元总结
单元检测
Unit 12 Life is full of the unexpected.
Section A
Section B
单元总结
单元检测
Unit 13 We're trying to save the earth!
Section A
Section B
单元总结
单元检测
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