• 2022-06-06
    The teacher ____ us how to do the experiment when the fire bell rang.
    A: was showing
    B: shown
    C: showed
  • A

    内容

    • 0

      The teacher ______ how to do that chemical experiment in a detailed<br/>and careful way. A: denied B: demonstrated C: blurred D: bloomed

    • 1

      Peter is showing us how to ______.

    • 2

      What do we know about the boy’s uncle and aunt A: [A] They liked swimming very much. B: They lived at the seaside. C: They rang a bell when it was time for breakfast.

    • 3

      Just then, the telephone rang. It rang ______ .

    • 4

      Hardly _________ the bell _________ when the teacher came in.