Câu 5. Revision :Modal vers : must ,have to ,ought to .Điền vào chỗ trống
1. Ann (must) be home before 9p.m
2.Pupils (must) get to school on time
3. Her mother has bên in the hopital so mảy (have in) do all the house work.
4.Children (ought to) respect elderly people.
1, has to
2, must
3, have to
4, ought to