Her sister is a nurse, so she always wears __________ uniform when she works.

 —What’s that on the desk?— It’s _______ book.

David comes from______ America and he is ______honest boy.

 — Is David          honest and organized boy?— Yes, that is why he was chosen to be the president of the Students’ Union.

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