（1）When can you come into the host's house in China？
A.After you take off the shoes.
B.After the host says "Come in，please".
C.After shaking hands.
（2）In Japan，what should you do before you come in？
A.Bow to the host.
B.Take off the shoes.
C.Kiss the host.
（3）Where is it not necessary to take off your dirty shoes before coming into the house？
A.In England.
B.In Japan.
C.In Germany.
（4）Why should you finish all the food in England？
A.To make the host happy.
B.To show it is just so-so.
C.To show I am hungry.