we must clean our classroom every day .(改为一般疑问) we have rules (at school).(括号内提问)

问题描述:

we must clean our classroom every day .(改为一般疑问) we have rules (at school).(括号内提问)
the flowers in the park are (very beautiful).(括号内提问)

Must you clean your classroom every day?
Where do you have rules?
How are the flowers in the park?