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    #1

    WH-word

    Scientist have broken new ground in the search for an Alzheimer's cure, discovering a new potential cause of the disease, which it may be possible to target with drug treatments.

    Subject : Scientist
    Verb : have broken
    Object : new ground in the search for an Alzheimer's cure
    noun phases : discovering a new potential cause of the disease

    I don't understand "Which" and "it" is refer to what?
    Would someone can explain these words?

  1. probus's Avatar
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    #2

    Re: WH-word

    Both "which" and "it may be possible to target " refer to "disease".

  2. Raymott's Avatar
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    #3

    Re: WH-word

    I reckon they refer to "cause".
    It's the new potential cause that may be possible to target with drug treatments.

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