—Look! The boy in the white shirt ___be Tom. --It ____be him. I saw him enter the library just now.
— Why not go to Lao She Teahouse tonight? — ______________________.
— I called you this morning, but nobody answered it. — Oh, we ______ some running in the park.
Who listens ______ , Tom, Jack or Bill?
Her little sister is ______ young _____ go to school.
Did you see them _____ the basketball this morning?