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  • Câu hỏi:

    1.If (protect),(a solar) cell (lasts) for a long time and is a good (source of) energy.

  • Câu hỏi:

    2.I’m not .............. well with the new director.

  • Câu hỏi:

    3.Yoko borrowed 20,000 dollars ............... the bank.

  • Câu hỏi:

    4.The government has promised to deal with the problem of ................ among young people.

  • Câu hỏi:

    5.The scientific study of the motion of bodies and the action of forces that change or cause motion ............. dynamics.

  • Câu hỏi:

    6.Prehistoric man ................. the first steps in building civilization.

  • Câu hỏi:

    7.I have made a ..................... for the next weekend.

  • Câu hỏi:

    8.The driver apologized ............... passengers any inconveniences.

  • Câu hỏi:

    9.They had …………. left their house when you came.

  • Câu hỏi:

    10................... people take part in the traditional games now than twenty years ago.

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