Question

must,mustnt,should,shouldnt,have to,has to их нужно расставить правильно                              you...be polite;you...say hello when you see a teacher;you... come to school on time;you ...stand up when a teacher comies into the classroom;you... eat or drink in the classroom;you...bring mobile phones to class;you...run in the corridors

Answer 1

have to
must
must
must
mustn't
shouldn't
shouldn't