He is having lunch 改为一般疑问句

he is having lunch改为否定句 They are having lunch.(改为一般疑问句） tom is eating lunch(改为一般疑问句) 1.He is having lunch.(改为否定句） He __ __ having lunch. He eats lunch at half past twelve.(改为一般疑问句) He usually eats lunch at school改为一般疑问句 He'd like rice for lunch.(改为一般疑问句) It is time for lunch.（改为一般疑问句） 改为一般疑问句及否定句：1.He had dinner at 6 last night.2.He is having a They were having lunch at 12 o'cioch yesterday.(改为一般疑问句) He is a Chinese 改为一般疑问句 He is David.(改为一般疑问句)