unit 16 leson 4 -Ngoc Hoa LTT-Hai Phong
english 6-unit 16-leson 4(B4,5)
... water f. Collect bottles and cans e. Keep off the grass 1 2 3 4 5 6 Period 99: Unit 16 MAN AND THE ENVIRONMENT B. POLLUTION Lesson 4: B4 – 5 I. PRESENTATION: * Examples: a. Save water. b. Don’t ... Lan: Then we should put it in a bag and take it home. (3) Nam: There aren’t any trash cans. (4) Ba: What are we going to do? (5) Lan: We shouldn’t leave our trash. II. PRACTIC...
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