They do some exercises _____Friday morning. [ ]

Do you know ____ boy who can play ______ violin?—Yeah! He is ___ artist. He also plays ___ football very well.

Do you know the girl _______is singing in the classroom?

Alice, is this your pen? I need one to write down the name of the book. — No, it isn’t . ________ is over there on the desk.

How do you read the number “3,054,003”?