Unit 1 Will people have robots？ 1
Unit 2 What should I do？ 28
Unit 3 What were you doing when the UFO arrived？ 53
Unit 4 He said I was hard—working 76
Unit 5 If you go to the party,you'll have a great time! 101
期中自测题 125
Unit 6 Howlong have you been collecting shells？ 138
Unit 7 Would you mind turning down the music？ 164
Unit 8 Why don't you get her a scarf？ 187
Unit 9 Have you ever been to an amusement park？ 213
Unit 10 It's a nice day,isn't it? 242
期末自测题 265
参考答案解析 278