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.