Вставьте правильный модальный глагол (should, needn’t, must, mustn’t, have, don’t have to).
1) The desks ___ be left clean before going home.
2) The workbooks ___ be brought to the class if there is no homework.
3) We all think that you ___ not wear that dress. It doesn’t suit you.
4) All children ___ fasten their seatbelts when travelling by car.
5) You have been coughing for 2 days. I think you ___ see your doctor.
6) Students ___ to pay for the transportation because it is free.
7) If a student breaks a school rule, she/he ___ to stay at school after the classes.
8) All people ___ try to keep a healthy diet.
9) You ___ hand in your assignment before the deadline.
10) You___be very rich to go skiing nowadays.