阅读理解。 Hunter and Nina are husband and wife. They get up at about 4:50 in the morning. When many people are still sleeping in their warm beds, they are working, they work outside and clean something. They don't work when it is raining, they also work on weekends. Her name is Sara. She sometimes goes to work in the morning, and sometimes goes to work at night when she is on duty. She works in a big building. There are many beds in it. She wears a white hat and a white dress. She says. 'I help doctors. I meet many people every day. I look after them. They need my help. That's my job. It's hard, but I like it.' He is Jim's father. He usually leaves home very early. He doesn't work in a factory. He goes to work on foot or by bike. It is far from his home. He usually works in the day and has his lunch outside in the sun. His work is very hard. He often brings us rice, eggs and vegetables. He can have a good rest in winter. Her name is Ann. She goes to work by bus every day. She works in a building. It opens at 8 a. m and closes at 6 p.m. There is a lot of good food, drinks and other things where she works. Children like to go there. She meets a lot of people every day. She often says, 'Can I help you?' when she meets people. She says, 'My work is not easy, I must stand all day and be friendly to everyone.' 根据上面四段文字，依据逻辑推理出下列答案。 1. What jobs do they have? Hunter and Nina are . 2. —When don't Hunter and Nina work?   —They don't work when ______. 3. —Does Sara like her job?   —______. 4. —Which season does Jim's father stop working?  — ______. 5. —What does Ann often say when she meets people?   — ______.