前言
Unit 1 Will people have robots?
作业1 Section A
作业2 Section B
Unit 2 What should I do?
作业3 Section A
作业4 Section B
Unit 3 What were you doing when the UFO arrived?
作业5 Section A
作业6 Section B
Unit 4 He said I was hard—working.
作业7 Section A
作业8 Section B
Unit 5 If you go to the party, you'll have a great time.
作业9 Section A
作业10 Section B
Unit 6 How long have you been collecting shells?
作业11 Section A
作业12 Section B
Unit 7 Would you mind turning down the music?
作业13 Section A
作业14 Section B
Unit 8 Why don't you get her a scarf?
作业15 Section A
作业16 Section B
Unit 9 Have you ever been to an amusement park?
作业17 Section A
作业18 Section B
Unit 10 It's a nice day, isn't it ?
作业19 Section A
作业20 Section B
参考答案
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