... vào âm đứng thứ từ cuối lên từ : +kết thúc –ic GRAPHic, geoGRAPHic, geoLOGic +kết thúc -sion –tion teleVIsion, reveLAtion Đánh trọng âm vào âm tiết thứ từ cuối lên +từ kết thúc -cy,-ty,-phy,-gy ... ………………… …the air must be limited to save our environment ( pollute ) WRITING 51 People should stop experiments on animals -Experiments 52 Ronaldo won the gold ball of FIFA -The gold ball 53 In order ... had a good …………………… on this film ( impress ) 47 The air ………………… …in our city is worse and worse ( pollute ) 48 Oil slicks, chemical waste, garbage are common… to our environment ( pollute ) 49...