Надо сделать А и В до 9:30 по МСК. Заранее большое спасибо!!!

A. should, can't, mustn't, shouldn't, can't, couldB. My sister might lend me some money.I can't open his jarMy paremts should let me go to the party.I couldn't do the maths test.You mustn't play football indoors.The teacher may let me leave early.