表示的都是第几次 为什么69 用序数词,first 为什么78 用基数词 four

表示的都是第几次 为什么69 用序数词,first 为什么78 用基数词 four
He lifted one hand and pointed at a picture of the mountain.He said in a 68)__________voice,“Mount Everest,you beat me the 69)__________ time,but i’ll beat you the next time because you’ve 70)__________all you are going to grow,but I'm still growing!”
What was wrong,you might wonder?the truth is,shortly after he arrived in Germany,this clever student found that it was 76 to skip buying subway tickets.so 77 save money,he often went without a ticket.as a result,he had been caught Without a ticket in the subway 78 times.