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86. Everything has a hard b        .

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85. J        is the first month of the year.

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84. People are asked to read q         in the reading-room.

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83. The s         are used by people for sending and receiving messages.

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82. -Bob, you are late again. What's your e         this time?

  -Er… I couldn't catch the early bus, and…

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81. Of all the s        , I like English best.

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