The simple subject of this sentence is the same as the complete subject and is simply, "Mary".
a cello
a violin, viola and a cello or two violins and a cello
The only strings instruments that are larger in size than the cello are the double bass and the harp.
Type your answer here... Cello
cello , viola,
Is or stringed
The 'cello is the larger of these instruments.
The Cello, whose standard size is about 47 in (119cm) including the neck is the largest.
a cello
The cello is the largest of the three instruments.
a violin, viola and a cello or two violins and a cello
in a string orchestra the instruments are: Bass Violin Viola Cello.
Type your answer here... Cello
The only strings instruments that are larger in size than the cello are the double bass and the harp.
cello , viola,
The bass has the lowest pitch of these instruments, followed by the 'cello and then the viola.
Most likely, Cello and Orchestra (or cello and piano). Please specify which concerto you mean and I can tell you.