Listen to the tape then answer this question. How must Amy clean the floor?
听录音,然后回答问题。艾米需要如何来清扫地面?
MRS. JONES: Come in, Amy.
MRS. JONES: Shut the door, please.
MRS. JONES: This bedroom's very untidy.
MAY: What must I do, Mrs. Jones?
MRS. JONES: Open the window and air the room.
MRS. JONES: Then put these clothes in the wardrobe.
MRS. JONES: Then make the bed.
MRS. JONES: Dust the dressing table.
MRS. JONES: Then sweep the floor.