--- Who is the girl over there?--- She is my cousin and she is _ _ university student.A. a B. an C. the
--- I’m flying to Hongkong this weekend. ---Wonderful ! _________.
---Is Mr Smith still in Shanghai? ---Yes,he _______there for two months.
---Can I help you? --- I want to buy something _______ presents _______my mother.
The boy on the playground ____ be Tom, because he saw him in the library just now.
--- Can I see the headmaster at the moment, please? --- I'm afraid not. He _______out. He _______ in 10 minutes.