• 2021-04-14
    Kiss greeting usually happen between two men in the United States.
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      There are 50 stars on the national flag of the United States. They represent today's 50 States of the United States.

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      中国大学MOOC: There are ________________ (a number)states in the United States.

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      Convergence of the income gap has been most dramatic between A: Hong Kong and the United States. B: the Central European countries and the United States. C: Africa and the United States. D: South America and the United States.

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      When visiting a home in the United States, it is not customary to bring ___________. Instead, _____________ are standard in the United States.

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      The two largest emitters of carbon dioxide are: A: China and the United States B: China and the United Kingdom C: Canada and the United States D: Mexico and the United States