4、w.(改为否定句)They__________cardsnow.4. Tom is watching TV. (对划线部分提问)_________ is Tom _________?5. We are having lunch at home.(改为一般疑问句) ________ you ________ lunch at home? 6Sheisdoingherhomework.(改为否定句)__________________________.7.KangkangandMichaelaremakingcards.(改为