填空题 My father brought home a sailboat when I was ten, and almost each Sunday in summers we would go sailing. Dad was quite skilled in sailing, but not good at swimming. As for me, I 1 both before twelve because of living close to Lake Ontario.
The last time Dad and I set sail together is really 2 . It was a perfect weekend after I graduated from university. I came home and 3 Dad to go sailing. Out we set soon on the 4 lake. Dad hadn"t sailed for years, but everything went well with the tiller(舵柄) in his hands.
When we were in the middle of the lake, a strong wind came all of a sudden. The boat was hit 5 . Dad was always at his best in any danger, but at this moment he froze.
"John! Help!" he shouted in a trembling voice, with the tiller still in his hands.
In my memory he could fix any 6 . He was the one I always turned to for strength and security. Before I could respond, a wave of water got into the boat. I rushed to the tiller but it was too late. Anther huge wall of water 7 the boat in a minute. We were thrown into the water, and Dad was struggling aimlessly. At that moment, I felt fiercely 8 of him.
I swam to Dad 9 and assisted him in climbing onto the hull (船壳) of the boat. Upon sitting on the hull, Dad was a little awkward about his flash of fear. "It"s all right, Dad. We are safe now," I comforted him.
That was the first time Dad had counted on me in a moment of emergency. More importantly, I found it was my turn to start 10 for my father.

A. learned B. unforgettable C. invited D. lightly
E. problem F. protective G. quickly H. slowly
I. hated J. ordered K. calm L. violently
M. turned over N. tired O. looking out