Try to figure out at least three things among the following Tom did that might be regarded impolite if the guests are from China.
A.
Tom invites them to visit his home but does not invite them to have dinner with him.
B.
Tom opens the gift as soon as he is presented with it.
C.
Tom thanks them only twice for the gift.
D.
Tom does not make a second offer of drinks when they refuse the first.
E.
T om talks about the cost of living in the U.S.
F.
Tom does not ask them to stay longer when they say they must be leaving.
G.
Tom does not go out to see them off.