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

听力原文：（A) The repair work has finished.（B) The man is measuring the wall.（C) The man is

听力原文：（A) A man is singing into the microphone.（B) A man is touching the strings.（C) A

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 man is mopping the floor.（B)The man is pulling the cart with cleaning prod

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