题目

An Unlucky Young Man Sam is twenty-seven now．He's tall and strong．He works hard in the small field．He's known a girl called Mabel for three years，who lives in another village．He hopes she could marry him soon．But she doesn't marry him until he builds a new house．He hasn't enough money．Of course it's difficult for him to do so． Winter's come and the fields are covered with thick snow．Sam has nothing to do at home．Mabel told him to find some temporary employment（临时工作）in the town．He thought she was right and came to Mr. White's factory where he carried stones f15．一年中，大月的月份占$\frac{（）}{（）}$．