Mark the letter A , B , C or D to indicate the word that differs from the other 1. A. curiosity B. enomous C. polluted D. competitive 2. A. unhappy B. illogical C. education D. communicate Mark the letter A , B , C or D 3. She asked me if I Hoa's address . A. know B. to know C. knew D. have known 4. After the all the houses were left under water . A. flood B. typhoon C. volcano D. earthquake 5. Many people were injured when four- storey building in the earthquake . A. collapses B. has collapsed C. collapsed D. was collapsing 6 . Air pollution has many effects the environment and our life . A. in C. of D. with 7. Ba the party before Nam arrived there . A. had left B. leaves C. left D. will leave 8. Ellen finally apologizing for being late . A. got through B. showed up C. went on D. took off 9.Some foreigners like Ao Dai , the dress of Vietnam . A. tradition B. traditional C. traditions D. traditionally 10. I tried hard to pass the exam . A. work B. to work C. working B. on

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