I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house.
When I went into the classroom, to my _____, all of the students stood up together.
He used to watch TV or ______ computer games at home on weekends.
—How do you study _________ a test? —I often study _______ a group.
This is ______ book. They like it very much.
______ his shoes under the bed?