句型：When do you...? 及时间回答 — 英语选择题
题目
Mike 在询问 Tom 的一天活动。请选出正确的答语：—When do you usually have lunch? —______ A. I usually have lunch at half past twelve. B. I usually have lunch in twelve thirty. C. Yes, I have lunch at school. D. I have lunch on twelve.