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。
I was feeling sad because my mother was out of job. It left me wondering  was going to happen to us.
I got off the college shuttle bus and started walking. Then I heard piano music and singing rising above the noise of the people and the traffic. I walked much   (slow) so I could find out where it was coming  . Through the crowd I sawyoung lady sitting at a piano with a carriage next to her. She was singing songs with love and keeping on trying. The way she was singing comforted me a bit. I stood there  (watch) her play for about fifteen minutes, thinking that  must take courage to performher own in the middle of a crowd.
She must have felt my presence because she would often look in my direction. By now I was telling myself that if she could perform in front of hundreds of peopleshe didn’t know, I could at least tell her how good she sounded. I walked over, put some money in her carriage and  (say), “Thank you. I have been going through a hard time (late), but you’ve made me hopeful again.”