Englisch Beispielsätze mit "qu"

The Dragon Boat Festival commemorates Qu Yuan.

I don't understand why Ido has to have the digraph "qu" in the orthography.

It is the 8th of June of 2013. I am wishy-washy as to my conlang priorities. Do I want Esperanto and Lojban? Or, do I want Lojban first, then Esperanto? Do I need to add Interlingua next? I tend to think now that Lojban has first priority for me. Hidden away is still the Orange Dream, which, I think, would be something different from Vling and would be really super-duper. The Orange Dream would have a more quaint Romanization perhaps, with such things as 'qu' and 'ph'. The morphemes would be monosyllabic.