Do you know…? 1
1 Come with me! 3
2 Do you have any glue? 9
3 What do we need? 15
4 Review 1 21
5 It's cold in winter 25
6 When can we go ice-skating? 31
7 When's your birthday? 37
8 Review 2 43
9 It was clean but it's dirty now 47
10 I planted trees 53
11 What did you do,Gogo? 59
12 Review 3 65
Culture 1:Weather 69
Culture 2:Cleaning the Earth 71
Bonus 1,2 and 3 73
Word Lists 79