A．Bury them locally.
B．Throw them away.
C．Ask local experts to recycle them.
D．Deliver them to other recycling companies.

A．A ceremony.
B．An arrangement.
C．A relationship.
D．A promise.

A．They may have clear homosexual preference.
B．They may be open-minded and tolerant,
C．They may be excellent on school performance.
D．They may have a unique mental state.