Unit1 Teachers'Day Unit2 The sports meeting Unit3 A good teacher Unit4 What were they doing? Unit5 The accident Unit6 In the library Unit7 Mainly revision Unit8 On the fann Unit9 A visit to a factory Unit10 Mr Green's problem Unit11 A great inventor Unit12 Have a good time, Jim! Unit13 Meny Christmas! Unit14 Mainly revision Unit15 At home with the twins Unit16 Whats'it made of? Unit17 What was it used for Unit18 Planting trees Unit19 Mainly revision Unit20 The world's population Unit21 Shopping Unit22 At the doctor's Unit23 The football match Unit24 Mainly revision 综合模拟试卷 答案与提示 · · · · · · (收起)