A.Cello.
B.Viola
C.Violin.
D.Bass.
A.Beginning.
B.Intermediate.
C.Advanced.
D.Professional.
A.Meet the woman at 7 0'clock.
B.Practice playing the cello.
C.Join in a regular meeting.
D.Attend a music course.
A.6 o'clock
B.7:30 a.m.
C.9 0'clock.
D.10 o'clock.