语法填空。阅读下面短文，按照句子结构和上下文的要求，在空格处填入一个适当的词或使用括号词语的正确形式填空。（每题1.5分，共15分）
When I was18, one morning, my father told me to drive 16 into a town, about 18 miles away. I had just learned to drive, so I  17 (agree) with pleasure. First we came to the town. Then I took the car to a nearby garage to have it  18  (repair) and promised to pick Dad up at 4 p.m. Because I had a few hours to spend, I decided to go to the cinema.  19  ,  I became so interested in the films  20 I forgot the time. When the last film finished, it was 6 o’clock. I drove back quickly to meet Dad and made an excuse for my being late.                     
“I’m disappointed that you lied to me, Jack. I’m angry, not with  21  but with myself. I have failed because I’ve brought up a son who can not even tell the  22  (true) to his own father. I’m going to walk home now and think seriously about  23  I have gone wrong all these years.”
Dad began walking alone the road. I begged all the way, telling him 24  sorry I was. I drove behind him for 18 miles, at a speed of 5 miles 25  hour. It was the most unforgettable lesson I have never lied to him ever since.