[00:00.800]--- lesson 29 Come in,Amy. [00:06.160]--- Listen to the tape then answer this question. [00:12.200]--- How must Amy clean the floor? [00:17.680]Come in, Amy. [00:20.600]Shut the door, please. [00:24.480]This bedroom's very untidy. [00:30.360]What must I do, Mrs. Jones? [00:35.280]Open the window and air the room. [00:41.200]Then put these clothes in the wardrobe. [00:47.080]Then make the bed. [00:51.280]Dust the dressing table. [00:54.960]Then sweep the floor. [00:59.320]--- end