Use the correct verb: must, have to or should. 

1.I hadn't enough money and I ... pay by cheque. 2.You …see it. It's the best film I've ever seen. 3.He ….enter this room. It is dangerous. 4.English children . . . stay at school till the age of 16. 5.I think you … learn Spanish if you want to work there. 6.You …walk across the street on the crossing! 7.You … buy coffee in the cafeteria. 8.You …worry about it. It’s not important. 9.You …remember to do your homework.  помогите пож очень надо