Unit 1 Will people have robots? 1
Unit 2 What should I do? 12
Unit 3 What were you doing when the UFO arrived? 26
Unit 4 He said I was hard-working 38
Unit 5 If you go to the party,you'll have a great time! 52
Unit 6 How long have you been collecting shells? 69
Unit 7 Would you mind turning down the music? 87
Unit 8 Why don't you get her a scarf? 102
Unit 9 Have you ever been to an amusement park? 121
Unit 10 It's a nice day,isn't it? 137
Keys 155