All provinces in Pakistan have declared Urdu as their official language.
The original sentence lacks agreement. “Half of the states” is plural and in the third person, so it should say “as their official languages.”
940 MCQ for effective preparation of the test of Nouns and Pronouns of English Grammar section.
Read the MCQ statement: All provinces in Pakistan have declared Urdu as their official language., keenly and apply the method you have learn through the video lessons for Nouns and Pronouns to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 851-5130.