下列句子有错请改正1.SimonhelpedPeterrepairhisguitar,forthathewasverygreatful.2.Ilikesongstowhichthefeelingofloveisexpressed.3.IenjoymyholidayonwhichIwenttoaconcertofpopmusic.4.Ilikemymusicteacherforwhi

　　下列句子有错请改正

　　1.SimonhelpedPeterrepairhisguitar,forthathewasverygreatful.

　　2.Ilikesongstowhichthefeelingofloveisexpressed.

　　3.IenjoymyholidayonwhichIwenttoaconcertofpopmusic.

　　4.IlikemymusicteacherforwhichIhavegreatrespect.

　　5.Ihavemanyfriendsofwhichsomearemusicians.

　　6.Peterwenttoaconcertatwhomhisfavouritebandplayedandsang.