51. Which of the following is the most suitable word to fill in the blank space in the third line of the lyric?
2. heard
1. tried
4. waited
3. preyed
52. Which of the following proverbs can be relevant to the above lyric?
2. First think, and then speak.
1. Easier said than done
3. Every bird loves to hear himself sing
4. Keep your mouth shut and your ears open.