The middle C lies in?
A、Thelower1stledgerlineunderthetreble;
B、The1stledgerlineunderthebass;
C、Theupper1stledgerlineofthebass;
D、2ndline
发布时间:2024-09-07 19:56:39
A、Thelower1stledgerlineunderthetreble;
B、The1stledgerlineunderthebass;
C、Theupper1stledgerlineofthebass;
D、2ndline