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70.My friends and I may not have time to chat at school.But we can do it on QQ.It’s very      to our friendships.

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69.Mary becomes       than before because she exercises every day.

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68.--How do you know that autumn has arrived?

--One way is that the tree        become yellow or red.

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67.Xiaomeng is a popular       at CCTV Station.

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A)从方框内选出单词,用其适当形式填空。每空格限填一词,每词限用一次。

health;different;report;six;leaf;help

66.Friday is the      day of a week.

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