• 2022-06-05
    I didn’t know ____ they could pass the exam or not.
    A: why
    B: when
    C: that
    D: whether
  • D

    内容

    • 0

      Do you know ________ I could pass the exam?

    • 1

      I didn‟t know _______  or not he will come. A: that B: whether C: when D: if

    • 2

      I didn't know whether she or not. A: will come B: is coming C: would come D: comes

    • 3

      I don't know _______ she will come or not. A: what B: who C: when D: whether

    • 4

      I don't doubt______ he will pass the examination. A: whether B: when C: that D: why