Поставьте артикли a, an, the там, где необходимо: A: Do you know where 1) Mississippi River is? B: Yes, It is in 2) North America. A: Have you ever been to 3) New York? B: No, but I've been to 4) Washington, D.C. and I met 5) President when I was there. A: Would you like to go to 6) cinema tonight? B: I'd love to. There's 7) great film on at 8) Plaza. A: We're planning to go to Spain this summer. B: I'm sure you'll enjoy yourselves . 9) Spanish are wonderful people. A: Did you know my cousin is 10) actor? B: Really? I had no idea.

A: Do you know where the Mississippi River is? B: Yes, It is in North America.
- The article "the" is used before "Mississippi River" because it is a specific river that both A and B are referring to.

A: Have you ever been to New York? B: No, but I've been to Washington, D.C. and I met the President when I was there.
- No article is used before "New York" because it is a proper noun, which does not require an article.
- "The" is used before "President" because it is referring to a specific person.

A: Would you like to go to the cinema tonight? B: I'd love to. There's a great film on at the Plaza.
- "The" is not used before "cinema" because it is a general reference to any cinema.
- "A" is used before "film" because it is a general reference to any film.
- "The" is used before "Plaza" because it is referring to a specific cinema named "Plaza".

A: We're planning to go to Spain this summer. B: I'm sure you'll enjoy yourselves. The Spanish are wonderful people.
- No article is used before "Spain" because it is a proper noun, which does not require an article.
- "The" is used before "Spanish" because it is referring to a specific group of people, namely the people from Spain.

A: Did you know my cousin is an actor? B: Really? I had no idea.
- "An" is used before "actor" because it is a general reference to any actor.