—How was your day off yesterday?—Perfect!It was my grandma's ________ birthday. We had a big cake.A .eighty B. eightieth C. the eightieth
——Could you tell me what happened? ——I’m not going to tell you about it. It’s _________.
——The _________ of study is to be completed within a year. ——I hope it will help improve ourselves.
——Jack _______ takes part in social activities. ——Yes, he isn’t like his brother, who is always active.
——Dinner will be ready soon. Could you please _______ the table? ——No problem.
——Mom, my little sister is crying all the time. ——Mary, be ________! She feels unwell. You should take good care of her.