时间表达（整点与半点） — 英语情景题

Read and complete the dialogue.（补全对话，每空一词） Lily: Hi, Sam! What time do you have breakfast? Sam: I have breakfast at 7:00. So (1)________ is seven o'clock. Lily: Oh, I see. And what time do you go to school? Sam: At 7:30. So I go to school at half (2)________ seven. Lily: Me too! What time do you have lunch? Sam: I have lunch at 12:00. It's twelve (3)________, and I have lunch then.