改为一般疑问句 I am a policeman

I am a student.改为一般疑问句 改为一般疑问句 I am a policeman I am a student 改为一般疑问句和否定句 I am a student (改为一般疑问句） i am reading a book.改为一般疑问句 I am Going to Take a Trip改为一般疑问句 i am reading a book.改为一般疑问句 英语 I am not a teacher 改为一般疑问句 改为一般疑问句和否定局：I am a doctor. I am a helpful girl.(改为一般疑问句) I am going to buy a bike.改为一般疑问句 I am a teacher.（改为一般疑问句） I am going on a big trip.改为一般疑问句 I am writing a report now.改为一般疑问句 I am a litter taller then her 改为一般疑问句 I am li ming 改为一般疑问句 I am from china 改为一般疑问句 I am tom 改为一般疑问句