Are Mr. and Mrs. Wang living alone in the house? —Yes, they have three sons, but ______ of them live in their own houses.

There is _______ interesting book on the teacher’s desk.–Oh, ______ book is Wei Fang’s.

Daniel is a ___ student in his class. He always gets good marks in exams.

Every morning my father _____ out for a walk and ____newspaper in the Park

____ be sent to work there?