问：I have lunch at twelve o’clock 划线部分提问（at twelve o’clock ）划线部分.

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