All my friends came to my birthday party. That _______me very happy.
—Oh, you look tired. Why?—I ________ to the Great Wall yesterday. It was really wonderful.
Ben is one of ________ students in our class. He keeps doing sports every day.
Mr. Wang _______ dinner with his family now. They look very happy.
I knocked on the door but ________ answered.
— ________ did you put my glasses just now, Bill?—On the desk.