问：I have lunch at twelve o’clock 划线部分提问（at twelve o’clock ）划线部分.
问题描述：
问：I have lunch at twelve o’clock 划线部分提问（at twelve o’clock ）划线部分.
问：bai jie likes history very much（变一般疑问句）
问：I have lunch at twelve o’clock 划线部分提问（at twelve o’clock ）括号里是划线部分.
subject,his,i,favorite,physical,education,think,is 连词成句
答
When do you have lunch?
Does Bai jie like history very much?
I think physical education is his favorite subject.