Q21. Choose the grammatically correct sentence.English — Adverb — Question 21 of 121A. They were still lost in their new acquired happiness when suddenly, once again, they heard a knock.B. They were still lost in their newly acquired happiness when sudden, once again, they heard a knock.C. They were still lost in their newly acquired happy when suddenly, once again, they heard a knock.D. They were still lost in their newly acquired happiness when suddenly, once again, they heard a knock.Practice more English MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →