1.
1) synthesizer;
2) harp;
3) vioin;
4) drum;
5) accordion;
6) cello.
2.
1) poet;
2) writer;
3) artist;
4) painter;
5) sculptor.
3.
1) a;
2) b;
3) b;
4) a;
5) a.
4.
1) I'm fine today, thank you.
2) Yes, I did.
3) I did my homework/I was at school.
4) No, I couldn't.
5) No, I didn't.