1. choose the correct answer A,B,C,D to complete the passage people need to breathe. If they don't breathe (1)........................... die.. But how clean is the air people breathe? If they breathe(2).................air, they will have breathing problems. Plants and animals need (3)......................air too. A lot of the thing in our lives create harmful gases and (4).......... the air dirty, like cars, motorbike and factories. Ditry air is called polluted air. Air pollution can also male our earth warmer 1. a.won't b.are c.must d. will 2. a.clean b. fresh c. dirty d. cleaner 3. a.clean b safe c.dirty d. polluted 4. a. make b. get c. give d. made 2 writing 11. vinh is not so tall as Tuan -> Tuan______________________ 12. she ẹnjoy playing badminton -> she is _________________________ 13.nobody in my class is more intelligent ->Huy is ___________________________________ 14. what sport do you like? -> what is _________________________________ 15.my dream house house wil have a super smart tv in 10 years ->there will _______________________________________________________ 16 this is first time i have visited japan -> i have never__________________________________________________

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