Unit 1 Teachers''Dsy
Unit 2 The sports meeting
Unit 3 A good teacher
Unit 4 What were thdy doing?
Unit 5 The accident
Unit 6 In the liarary
Unit 7 Mainly revision
Unit 8 On the farm
Unit 9 A visit to factory
Unit 10 Mr Green''s prlblem
Unit 11 A great inventor
Unit 12 Have a good time,Jim!
Unit 13 Merry Chiristmas!
Unit 14 Mainly revision
Unit 15 At home with the twins
Unit 16 What''s it made of?
Unit 17 What was it used for?
Unit 18 Planting trees
Unit 19 Mainly revision
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參考答案
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