says…
Hoeveel Numeral onderzoek Noun er Adverb wordt Auxiliary gedaan Verb naar Adposition de Determiner luchtkwaliteit Noun is Auxiliary onbekend Adjective .
Numeral
Noun
Adverb
Auxiliary
Verb
Adposition
Determiner
Noun
Auxiliary
Adjective
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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