Nicaragua, along with Costa Rica, El Salvador, Guatemala, Honduras, and the Dominican Republic, signed the Central America – Dominican Republic – United States Free Trade Agreement (CAFTA-DR) in August 2004. The agreement entered into force for Nicaragua and the United States on April 1, 2006. In 2010, Central American countries, including Nicaragua, signed a trade agreement with the European Union. In 2014, a partial free trade agreement came into effect between Nicaragua and Cuba. Additionally, Nicaragua has trade agreements with Mexico, Panama, Taiwan, Chile, and the Dominican Republic.
This is how to conjugate the verb ESTAR (which means to be) in the present tense:
yo estoy, tu estás, el/ella/Usted está, nosotros estamos, vosotros estáis, ellos/ellas/Ustedes están.
Your sentence is I am home. In Spanish, the word YO stands for I in English. This means that you would use the form estoy in your example.
The correct answer is B. estoy.
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