连词成句。
1. the White is this House (.)
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2. is north of Canada the U. S. (.)
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3. Liberty in New York is Statue of (.)
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4. is red flag the U. S. of the blue white and (.)
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1. This is the White House.
2. Canada is north of the U. S.
3. Statue of Liberty is in New York.
4. The flag of the U. S. is red, white and blue. (答案不唯一)