18. 阅读对话，判断正误。 A：What do you do? B：I'm a doctor. A：When do you get up? B：I get up at 3：00 p.m. I work at night. A：When do you eat dinner? B：I eat dinner at 10：00 p.m. A：When do you go to bed? B：I go home at 6：30 a.m. I eat breakfast at 7：00 a.m. I go to bed after breakfast. A：When do you play sports? B：I play sports at 4：00 p.m.