Viết các mẩu đối thoại
Ex : soccer / ought to / clean / room
Nam : Come and play soccer , Minh
Minh : I'm sorry. I don't think I can
Nam : That is too bad. Why not ?
Minh : Well , I ought to clean my room
1. skip rope / have to / do / homework
Nga : Come and skip rope , Lan
Lan : I'm sorry. I don't think I can
Nga : That is too bad. Why not ?
Lan : Well , I have to do my homework.
2. chess / should / help / Mom
Tam : Come and play chess, Nam.
Nam : I'm sorry. I don't think I can
Tam : That is too bad. Why not ?
Nam : Well , I should help my mom.
3. badminton / must / pratice / piano
Phong : Come and play badminton, Thanh.
Thanh : I'm sorry. I don't think I can
Phong : That is too bad. Why not ?
Thanh : Well , I must pratice the piano.
4. volleyball /ought to / attend / English club
Long : Come and play volleyball, Minh.
Minh : I'm sorry. I don't think I can
Long : That is too bad. Why not ?
Minh : Well , I ought to attend an English club.