For what do Americans like to invite friends to their homes
Americans like to invite friends to their homes for（）.

A．He wants to know when to have the party.
B．He wants to know who should be invited.
C．He wants to know what the purpose of the party is.
D．He wants to know what kinds of parties are needed.

A．He has got a pain in the head.
B．He broke a bone the day before.
C．He wants to have an X-ray examination.
D．He was hurt the day before.