Chuyển các câu sau thành câu phủ định và nghi vấn :
1. I am a student.
2 . My father and my mother are teacher.
3 . Lan gets up at 6 o'clock.
4 . This is my book.
5 . Miss Hoa listens to music every day.
6 . They go to school.
7 . There are my pens.
8 . He plays souer.
9 . They go to the zoo.
10 . She is a doctor.