— Where are you going this Sunday?—I’m ________ time with my friends.
——Susan has never been to Beijing, ________?——________, she went there with her parents last month.
——Will you come to the dinner party?——I won’t come unless Mary ________.
——Mary stays alone in the classroom and looks sad.——________ to her?
—— ________ have you been away from your hometown, Janet?——Since 5 years ago.
——What do you want to ________ if you are in the university?——Physics.