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I like going on a trip.
I like riding a bicycle.
I think that is the best.
an apartment
a house
house
horse
an apartment
a house
Wonderful Houses Around the World
Whose house is it?
floor
楼层；地板
Jenny’s house
clean the floor
擦地板
door
This is an apartment building.
the first floor
the second floor
the third floor
I live on the third floor.
Which floor do you live on?
In the U.K.
In the U.S. and China
the ground floor
the first floor
the second floor
the first floor
the second floor