lunch ____at twelve帮我一下

lunch ____at twelve帮我一下 Lunch at twelve Wei Fang has lunch at twelve.at twelve划线提问. They had lunch at twelve.变疑问句, sometimes I have lunch at twelve是什么意思 I have lunch at fifteen past twelve Wei Fang has lunch at twelve.has lunch 划线提问. Sam ( ) at twenty to twelve .A.has lunch B.have lunch C.eat lunch They had lunch at twelve yesterday.(改为否定句） 改为一般疑问句：She has lunch at about twelve Tom usually has lunch at twelve改为一般疑问句 They had lunch at twelve yesterday.改为否定句 she has lunch at twelve o'clock.(改为特殊疑问句 She has lunch at twelve.改否定,快 He has lunch （at twelve）对括号部分提问 She has lunch at school at twelve o'ciock. He eats lunch at half past twelve.(改为一般疑问句) I had lunch at half past twelve 是不是主系表结构?