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    2. —Ann,you didn't answer my phone half an hour ago.

    — Sorry about that,I (mop) the floor with the TV on.

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    四、 阅读理解

    What do you usually do when a flying insect lands on your arm? You may blow it away. But what if that insect is a ladybug (瓢虫) ？

    It is possible that you would let it stay. What is it about ladybugs that we like?.

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