________ a teacher, I think I should teach the students not only how to learn but also how to be a man.
— My clock doesn’t .— Let me have a look. Maybe I can help you.
---Why not come and join us in the game?---_______. But I must meet Mr Smith at his office now.
—________are you talking about?—The Olympic Games in Beijing.
---I’m not hungry but thirsty.---________
---Mom, ________ is my MP4?---I put it in your backpack.