听下面一段对话,回答第1至第3三个小题。 1. What is Bill doing? [ ] A. He's doing the chores. B. He's doing nothing. C. He's staying at home. 2. How long will it take Bill to do the laundry? [ ] A. About forty minutes. B. About half an hour. C. More than two hours. 3. When did Bill wash the car? [ ] A. Yesterday. B. Last week. C. Last Sunday.