1, they are talking about the prevention of......resources a.nature b.natural c.naturally d. naturalizing 2.we ...............a strange object in the sky when we......down the hill a.saw/ were driving b.saw/ drove c.had seen/ drove d.were seeing/ were driving 3. internet has.....developed and become part of our everyday life a.increasing b.increasingly cincreased 4. Mary : let me congratulate you on your nomination in the competition , Peter Peter:.............Mayry a. not at all b. you are wellcome c. i am sorry i can't d. it's kind of you to say so

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