听力原文：（A) The presenter is entering the room.（B) Some booklets have been passed out to

听力原文：（A) The man is paying the woman.（B) The man is writing down some information.（C)

听力原文：The shopping center is in the tall building. A．B．C．

听力原文：（A) The man is examining something on the wall.（B) The man is posting a message.（

听力原文：（A) The woman is making coffee.（B) The window is being closed.（C) The woman is lo

听力原文：（A)The man is doing maintenance outside.（B)The man is writing a letter.（C)The man

听力原文：（A)The man is posing for a picture.（B)The man is taping the scenery.（C)The man is