阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空。      A farmer and his son were taking their ass(驴) to a market. They wanted to sell it. They passed a
group of girls,     1     laughed at how foolish the farmer was to have an ass and     2   (walk), so the
farmer put his son  3    the ass.
     Further down the road, they passed some old people who scolded the farmer for allowing his young
son to ride     4  said that he should be riding himself .
     Further along the road, they passed some travelers who said that if he wanted to sell the ass the two
of  them should carry him    5   the ass would be exhausted and worthless. So the farmer and his son
bound the ass"s legs to a pole and carried him. 
    When they approached the town, people there laughed at the sight of them. The noise was so loud 
    6        the ass was frightened to    7   (die). He kicked out and     8    (fall) off a bridge into the river
and drowned.
    The      9   (embarrass) farmer and son went home  with nothing, except  the  lesson  that you will
achieve nothing by trying to please   10    .