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The expression “Excuse me” is _1_ used in the United States than in China. _2_ American says “Excuse me” when he wants to pass _3_ som
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one, to leave
Dongdong,look _1_ this picture.This is a _2_ of a classroom.In the picture you can see some desks _3_ chairs.On the blackboard,you can
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see a cat.A ma
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