This book ____ 12 units, _____ the unit of Music. 
#12997
A
contains. Including
B
includes; containing
C
contains, includes
D
including; contains
推荐题目
I catch cold now and then.
#13656
A
always
B
occasionally
C
constantly
D
regularly
He knows several languages ________ English, French and Japanese.
#12423
A
such as
B
for example
C
namely
D
that is