• 2021-04-14
    New research in geophysics disproved __________ had been a universally accepted truth.
  • what

    内容

    • 0

      They had to put an end to the research because the results from precious tests had not been hardly reliable.

    • 1

      中国大学MOOC: The new rules for environmental protection have been (wide) ________ accepted by the public.

    • 2

      Because little research had been done on the explanation of happiness, before going into the lab, Lyubomirsky had done some ______.

    • 3

      What she achieved in her research might _______ what she had been expecting.

    • 4

      I could have helped him out, to tell the truth, I _____ too busy. A: am B: was C: have been D: had been