Unit 1 Buy a Hamburger 1
Unit 2 Ten Answers 7
Unit 3 Dividing Apples 13
Unit 4 Give Me a Five 19
Unit 5 Go back Nine Miles 25
Unit 6 Want a Nice Clean Plate 31
Unit 7 Baby or Cat 37
Unit 8 Nine Coins 43
Unit 9 Young Men's Eyes 49
Unit 10 Four Holes 55
Unit 11 Drawing on the Back 61
Unit 12 No Bill 67
Unit 13 A Tooth in the Chocolate 73
Unit 14 Sing to Be Happy 79
Unit 15 Of Course,Not 85
Unit 16 Push a Locomotive 91
Unit 17 Everything Changes 97
Unit 18 The Zoo Story 103
Unit 19 To Be No.1 109
Unit 20 Shoes or Feet 115
Unit 21 The Magic Line 121
Unit 22 Afternoon Tea 127
Unit 23 Ice Cream Sundae 133
Unit 24 Love of Big Ideas 139
Unit 25 Count the Lights 145
Unit 26 Just an Animal 151
Unit 27 AND and AND 158
Unit 28 The Lost Ring 165
Unit 29 Why White House 171
Unit 30 Inventing Basketball 177
Key 183