— Who’s singing in the next room? — It ______ be Mary. She ______ New York.
__________ I was talking on the phone, my mother arrived at home.
--- Do you have any plans for this weekend? --- I am not sure. I ________ go to visit my grandmother.
--- I called you yesterday afternoon, but nobody answered. ---Oh, I ___________ in the playground.
---_______ is the population of your hometown, Lucy? ---It’s about 15,000.
All the students shouted when they heard such_______ exciting news.