A.

 1.T (Los Angeles, Califonia is the most exciting city in the USA. It's got Hollywood)

 2.F ( In 1900, it was smaller and quieter)

B.

  1.What is the most exciting in the USA?

    => It's Los Angeles

  2.Does Los Angeles have a baseball team?

    => Yes, it does

  3.When is smaller and quieter?

     => In 1900

  4.Are there beaches in Los Angeles?

      => Yes, there are

  5.What happened when the film studios came to Hollywood?

       => When thi film studios came to Hollywood, the village of Hollywood is changed a lot, this city is becoming more popular and famous in the world