• 2022-06-08
    The sudden electrical ______caused a series of serious problems.
    A: fault
    B: error
    C: flaw
    D: mistake
  • A

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    • 0

      The police said that this driver was at()----he should have slowed down at the<br/>crossroad. A: blunder B: error C: mistake D: fault

    • 1

      Life is a ____ of problems, so we must solve them. A: serene B: serious C: series D: service

    • 2

      The police said that this driver was at()----he<br/>should have slowed down at the<br/>crossroad. A: blunder B: error C: mistake D: fault

    • 3

      It is generally believed that the (increase) __________ air pollution has caused serious problems such as global warming.

    • 4

      Few people realized then __________ until two years later. A: how this mistake was serious B: how serious was his mistake C: what serious mistake it was D: how serious his mistake was