• 2022-06-14
    ________________ (not know) the truth of the event, he couldn’t decide whether to attend it.
  • Not knowing

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    • 0

      He doesn’t know _________ (if / whether) to stay or not.

    • 1

      I couldn’t____where he came from. A: think of B: decide C: figure out D: know

    • 2

      I don’t know ______ or not. A: whether he is at home B: if he is at home C: that he is at home D: whether is he at home

    • 3

      5.Though he had been told many times he couldn’t understand it.

    • 4

      I don't know ______ he will come tomorrow. ______ he comes, I'll tell you. A: if; If B: if; Whether C: whether; Whether