1.if they ___ their tikets,they would be at the festival today a)lost б)hadn't lost в)don't lose г)haven't lost 2.you ___ change the bandage once a day a)are bound to б)are to в)are lickely to г)would 3.students ___ attend the lecture а)don't have to б)mustn't в)can't г)sholdn't 4.it's getting harder and ___ to fing a well-paid job these day а)more hard б)hardest в)harder г)hard