You can go,but you must be

Mum,can I go out with Jimmy now?OK,but you __(should/must)pu I promised what is to be done you must give up but I can not I can lend you my bike,but you must You can not like her,but you must respect her You can't go shopping,you must finsh ________your homework.( no one can take you where you must go but i can be ready to go for dinner with you in five minutes but i can't tell you ,if i say imust be go to die i courageo ___you go across the road,you must be careful you can read books here,you must be quiet.you can buy books you must (be joking) you must be careful