A harmonious society is like a symphony orchestra—each person contributes a small sound，but when ______ with other sounds，it becomes beautiful music.

A．combiningB．being combined

C．combined D．to be combined

A harmonious society is like a symphony orchestra—each person contributes a small sound，but when ______ with other sounds，it becomes beautiful music.

A．combining B．being combined

C．combined D．to be combined

A harmonious society is like a symphony orchestra—each person contributes a small sound，but when ______ with other sounds，it becomes beautiful music.

1. A.
   combining
2. B.
   being combined
3. C.
   combined
4. D.
   to be combined

A harmonious society is like a symphony orchestra—each person contributes a small sound，but when ______ with other sounds，it becomes beautiful music.

A．combining 　 B．being combined C．combined 　　 D．to be combined