They are doing housework.改成一般疑问句和否定句 答案网 2020-04-29 阅读(27) They are doing housework.改成一般疑问句和否定句 问题描述: 把上句话改为一般疑问句 否定句 最佳答案: 改成一般疑问句:Are they doing housework?改成否定句:They are not doing housework.