• 2022-06-03
    They are ______ in chemicals for many years.
    A: dealing
    B: supplying
    C: doing
    D: marketing
  • A

    内容

    • 0

      15. We have been _____ this article for many years. A: dealing with B: specialized on C: trading of D: handling

    • 1

      How many years has Richard been working in this company? ________ years.

    • 2

      Which of the following statements is true() A: The engineer had worked out the idea for many years. B: The engineer had been working on the idea for many years. C: The engineer suggested the idea to the British government and industrial circles for many years. D: The British government and industrial circles accepted the idea many years later.

    • 3

      It was __ I met Mr. Smith in London. A: many years that B: for many years since C: many years ago that D: since many years ago when

    • 4

      Their friendship was formed many years ago when both were in primary school, and has now__________ over scores of years.