he is sitting in a bus.改为一般疑问句

he is sitting in a bus.改为一般疑问句 He is a Chinese 改为一般疑问句 He is a teacher改为一般疑问句 This is a bus.（改为一般疑问句） that bus is white改为一般疑问句 he is in the office.改为一般疑问句 把这个句子改为一般疑问句he is in china he is in class one,grade nine 改为一般疑问句 he is drawing pictures in the classroom 改为一般疑问句 he is a good student in our school改为一般疑问句和否定句 He is sitting on a football?(改一般疑问句,做肯定回答) He is going to the zoo by bus on saturday morning改为一般疑问句?