sam has to feed the dog while his parents are out.(改为一般疑问句)

sam has to feed the dog while his parents are out.(改为一般疑问句) He has to help his parents at home on Saturday改为一般疑问句 Sam has gone to the library（改为一般疑问句,并作肯定回答） His parents are talking with the teachers.(改为一般疑问句并作简略回答) His parents are takling with the teachers ,改为一般疑问句,并做肯定否定回答 Ben is writing to his parents.改为一般疑问句． he has to feed the dog twice a week改为否定句 He has to do his homework first.改为一般疑问句.The weather is nice He has to babysit his sister改为一般疑问句 he has to clean his room 改为一般疑问句 His parents like green.改为一般疑问句 几个英语问题Ben is writing to his parents(改为一般疑问句）Tony and Tom are