[00:00.52]Lesson 29 [00:03.33]Come in, Amy. [00:06.85]Listen to the tape then answer this question. [00:12.60]How must Amy clean the floor? [00:17.30]Come in, Amy. [00:19.85]Shut the door, please. [00:22.49]This bedroom's very untidy. [00:26.83]What must I do, Mrs. Jones? [00:30.53]Open the window and air the room. [00:34.92]Then put these clothes in the wardrobe. [00:39.69]Then make the bed. [00:42.81]Dust the dressing table. [00:45.85]Then sweep the floor.