语法填空
One day, a father and his son were walking with
their horse. An old man saw them and said, "You {#blank#}1{#/blank#}(suppose) to ride a horse,
not to walk it!" The father then put his son on the horse.
Soon they passed a group of people, {#blank#}2{#/blank#}said,
"That's a lazy boy! He gets to ride the horse while his father walks."
The father decided to take his son off and get on the horse himself. {#blank#}3{#/blank#}they
kept going, they came upon two {#blank#}4{#/blank#}(passer-by). One said, "You are
a {#blank#}5{#/blank#}(self) man! Your son has to walk while
you get to ride!" The man then reached down and put his son on the horse with
him.{#blank#}6{#/blank#}a while, they entered a town. Everyone started to laugh at them,{#blank#}7{#/blank#}(say),
"You are too heavy for that horse!" The father and his son didn't know
what {#blank#}8{#/blank#}(do).
Finally, they decided to carry the horse. When
they came to a bridge, the horse {#blank#}9{#/blank#}(fall) to the water. "If you try
to please {#blank#}10{#/blank#}," the father told his son, "in
the end, you will please no one." Then they went home.