Q177. Choose the sentence that is grammatically correct and properly punctuated.English — NUST Mock 10 — Question 177 of 200A. At Christmas day, Sam hung the decorations on the Christmas tree.B. On Christmas day, Sam hung the decorations at the Christmas tree.C. On Christmas day, Sam hung the decorations over the Christmas tree.D. On Christmas day, Sam hung the decorations on the Christmas tree.Practice more English MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →