“…Almost all previous formal work on HC is limited to the syntax of constructions with wh-phrases (e.g., Browne 1972, Grimshaw 1978, Kazenin 2001, Lipták 2003, Gračanin-Yüksek 2007, Skrabalova 2007, Zhang 2007, Gribanova 2009, Raţiu 2011, Sinopoulou 2011, Tomaszewicz 2011, Bîlbîie & Gazdik 2012, Citko 2013, Citko & Gračanin-Yüksek 2013, Larson 2013, Ishii 2014, Kasai 2016, Merchant 2017, Melchin & Toivonen 2018, Jung 2018, Zyman 2020, Kwon 2021, Potter & Frazier 2021. 15 Some (e.g., Gribanova 2009 andMerchant 2017) invoke Quantifier Absorption (Higginbotham & May 1981) to explain why questions involving HC of wh-phrases, unlike ordinary multiple wh-questions, seem to only have the single-pair (and not the pair-list) interpretation.…”