diu…
Hoeveel Numeral onderzoek substantiu er Adverbi wordt Auxiliar gedaan Verb naar Adposició de Determinador luchtkwaliteit substantiu is Auxiliar onbekend Adjectiu .
Numeral
substantiu
Adverbi
Auxiliar
Verb
Adposició
Determinador
substantiu
Auxiliar
Adjectiu
How much research is being done on air quality is unknown. How much research is being done on air quality is unknown.
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