помогите с английским пожалуйста...
1.)they (have to\don't have to) be at school at 9.00.
2.)they (have to\don't have to) change their shoes at school.
3.)they(have to\don't have to)tidy their classroom at the end of the day.
4.)they(have to\don't have to) put their hand up to ask a question.
5.)they(have to\don't have to)stand up to answer a question.